AMERICAN TOWER CORPORATION AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS acquisition accounting upon closing of the acquisition.
Based on current estimates, the Company expects the value of potential contingent consideration payments required to be made under these agreements to be between zero and $4.4 million.
During the year ended December 31, 2014, the Company (i) recorded a decrease in fair value of $1.7 million in Other operating expenses in the accompanying consolidated statements of operations, (ii) recorded settlements under these agreements of $3.5 million, (iii) reduced its contingent consideration liability by $0.7 million as a portion of the Company’s obligations was assumed by the buyer in conjunction with the sale of operations in Panama and (iv) recorded additional liability of $0.1 million.
As a result, the Company estimates the value of potential contingent consideration payments required under these agreements to be $2.3 million using a probability weighted average of the expected outcomes as of December 31, 2014.
Other U. S. —In connection with other acquisitions in the United States, the Company is required to make additional payments if certain pre-designated tenant leases commence during a specified period of time.
During the year ended December 31, 2014, the Company recorded $6.3 million of contingent consideration liability as part of the preliminary acquisition accounting upon closing of certain acquisitions.
During the year ended December 31, 2014, the Company recorded settlements under these agreements of $0.4 million.
Based on current estimates, the Company expects the value of potential contingent consideration payments required to be made under these agreements to be between zero and $5.9 million and estimates it to be $5.9 million using a probability weighted average of the expected outcomes as of December 31, 2014.
For more information regarding contingent consideration, see note 12.7.
ACCRUED EXPENSES Accrued expenses consists of the following as of December 31, (in thousands):
## Table 0 ##
(1) December 31, 2013 balances have been revised to reflect purchase accounting measurement period adjustments.
Management’s Discussion and Analysis of Financial Condition and Results of Operations – Continued Competitive Energy Businesses The competitive energy businesses’ results of operations for the year ended December 31, 2014 compared with the year ended December 31, 2013 is as follows:
## Table 1 ##
Operating revenues increased $148 million in 2014 compared with 2013, due primarily to higher wholesale and electric retail revenues ($125 million), and the impact of the LILO transactions ($27 million, see “Lease In/Lease Out Transactions” in Note J to the financial statements in Item 8).
Wholesale revenues increased $80 million in 2014 as compared to 2013 due to higher sales volume.
Electric retail revenues increased $45 million, due to higher unit prices ($64 million), offset by lower sales volumes ($19 million).
Solar revenues decreased $14 million in 2014 as compared with 2013 primarily due to Con Edison Development’s sale of 50 percent of its membership interest in CED California Holdings Financing I, LLC (California Solar – see Note Q to the financial statements in Item 8).
Net mark-to-market values decreased $202 million in 2014 as compared with 2013, of which $206 million in losses are reflected in purchased power expenses and $4 million in gains are reflected in revenues.
Other revenues increased $6 million in 2014 as compared with 2013, due primarily to higher energy services revenues.
Purchased power expenses increased $227 million in 2014 compared with 2013 due primarily to changes in mark-tomarket losses ($206 million) and higher unit prices ($64 million), offset by lower volumes ($43 million).
Gas purchased for resale increased $88 million due primarily to higher volumes.
Other operations and maintenance expenses increased $3 million due primarily to an increase in solar electric production projects in operation during 2014.
Depreciation and maintenance expense decreased $4 million due to Con Edison Development’s sale of 50 percent of its membership interest in California Solar (see Note Q to the financial statements in Item 8).
Taxes, other than income taxes increased $2 million due to an increase in sales and use taxes, property taxes and gross receipts tax.
Gain on sale of solar electric production projects was $45 million reflecting Con Edison Development’s sale of 50 percent of its membership interest in California Solar (see Note Q to the financial statements in Item 8).
Other Income (Deductions) Other income (deductions) increased $20 million in 2014 compared to 2013 primarily reflecting income from Con Edison Development’s solar investments that are accounted for under the equity method.
Net Interest Expense Net interest expense decreased $143 million in 2014 compared to 2013 due primarily to the impact of the LILO transactions.
See “Lease In/Lease Out Transactions” in Note J to the financial statements in Item 8.
Income Tax Expense Income taxes increased $34 million in 2014 compared with 2013 due primarily to higher income before income tax expense ($17 million) and a tax benefit in 2013 resulting from the acceptance by the IRS of the company’s claim for manufacturing tax deductions ($15 million).
Other For Con Edison, “Other” also includes inter-company eliminations relating to operating revenues and operating expenses.
Management’s Discussion and Analysis of Financial Condition and Results of Operations – Continued Electric CECONY’s results of electric operations for the year ended December 31, 2013 compared with the year ended December 31, 2012 is as follows:
## Table 2 ##
CECONY’s electric sales and deliveries in 2013 compared with 2012 were:

<table><tr><td></td><td>2014</td><td>2013 -1</td></tr><tr><td>Accrued property and real estate taxes</td><td>$61,206</td><td>$54,529</td></tr><tr><td>Payroll and related withholdings</td><td>57,110</td><td>50,843</td></tr><tr><td>Accrued construction costs</td><td>46,024</td><td>52,446</td></tr><tr><td>Accrued rent</td><td>34,074</td><td>28,456</td></tr><tr><td>Other accrued expenses</td><td>219,340</td><td>234,914</td></tr><tr><td>Balance as of December 31,</td><td>$417,754</td><td>$421,188</td></tr></table>
<table><tr><td></td><td colspan="2"> Twelve Months Ended</td><td></td></tr><tr><td> (Millions of Dollars)</td><td>December 31, 2014</td><td> December 31, 2013</td><td>Variation</td></tr><tr><td>Operating revenues</td><td>$1,244</td><td>$1,096</td><td>$148</td></tr><tr><td>Purchased power</td><td>1,088</td><td>861</td><td>227</td></tr><tr><td>Gas purchased for resale</td><td>115</td><td>27</td><td>88</td></tr><tr><td>Other operations and maintenance</td><td>108</td><td>105</td><td>3</td></tr><tr><td>Depreciation and amortization</td><td>19</td><td>23</td><td>-4</td></tr><tr><td>Taxes, other than income taxes</td><td>19</td><td>17</td><td>2</td></tr><tr><td>(Gain) on sale of solar electric production projects</td><td>-45</td><td>-</td><td>-45</td></tr><tr><td> Operating income (loss)</td><td>$-60</td><td>$63</td><td>$-123</td></tr></table>
<table><tr><td></td><td colspan="2"> Twelve Months Ended</td><td></td></tr><tr><td> (Millions of Dollars)</td><td> December 31, 2013</td><td> December 31, 2012</td><td>Variation</td></tr><tr><td>Operating revenues</td><td>$8,131</td><td>$8,176</td><td>$-45</td></tr><tr><td>Purchased power</td><td>1,974</td><td>1,938</td><td>36</td></tr><tr><td>Fuel</td><td>174</td><td>159</td><td>15</td></tr><tr><td>Other operations and maintenance</td><td>2,180</td><td>2,273</td><td>-93</td></tr><tr><td>Depreciation and amortization</td><td>749</td><td>710</td><td>39</td></tr><tr><td>Taxes, other than income taxes</td><td>1,459</td><td>1,403</td><td>56</td></tr><tr><td> Electric operating income</td><td>$1,595</td><td>$1,693</td><td>$-98</td></tr></table>

Question: What is the sum of Payroll and related withholdings of 2014, and Electric operating income of Twelve Months Ended December 31, 2013 ?
Answer: 58705