{"pre_text": ["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 2019s 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 . 2014in 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 ) : ."], "post_text": ["( 1 ) december 31 , 2013 balances have been revised to reflect purchase accounting measurement period adjustments. ."], "table": [["", "2014", "2013 ( 1 )"], ["accrued property and real estate taxes", "$ 61206", "$ 54529"], ["payroll and related withholdings", "57110", "50843"], ["accrued construction costs", "46024", "52446"], ["accrued rent", "34074", "28456"], ["other accrued expenses", "219340", "234914"], ["balance as of december 31,", "$ 417754", "$ 421188"]], "table_ori": [["", "2014", "2013 (1)"], ["Accrued property and real estate taxes", "$61,206", "$54,529"], ["Payroll and related withholdings", "57,110", "50,843"], ["Accrued construction costs", "46,024", "52,446"], ["Accrued rent", "34,074", "28,456"], ["Other accrued expenses", "219,340", "234,914"], ["Balance as of December 31,", "$417,754", "$421,188"]]}

Question: what was the increase in payroll and related withholdings in 2014 , in millions?
Evidence:
table_2: the payroll and related withholdings of 2014 is 57110 ; the payroll and related withholdings of 2013 ( 1 ) is 50843 ;
Program: subtract(57110, 50843)
Answer:
str_answer: 6267
exe_answer: 6267