future minimum lease commitments for office premises and equipment under non-cancelable leases , along with minimum sublease rental income to be received under non-cancelable subleases , are as follows : period rent obligations sublease rental income net rent .

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Row 1: period, rent obligations, sublease rental income, net rent
Row 2: 2008, $ 323.9, $ -40.9 ( 40.9 ), $ 283.0
Row 3: 2009, 300.9, -37.5 ( 37.5 ), 263.4
Row 4: 2010, 267.7, -31.0 ( 31.0 ), 236.7
Row 5: 2011, 233.7, -25.7 ( 25.7 ), 208.0
Row 6: 2012, 197.9, -20.2 ( 20.2 ), 177.7
Row 7: 2013 and thereafter, 871.0, -33.1 ( 33.1 ), 837.9
Row 8: total, $ 2195.1, $ -188.4 ( 188.4 ), $ 2006.7
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guarantees we have certain contingent obligations under guarantees of certain of our subsidiaries ( 201cparent company guarantees 201d ) relating principally to credit facilities , guarantees of certain media payables and operating leases . the amount of such parent company guarantees was $ 327.1 and $ 327.9 as of december 31 , 2007 and 2006 , respectively . in the event of non-payment by the applicable subsidiary of the obligations covered by a guarantee , we would be obligated to pay the amounts covered by that guarantee . as of december 31 , 2007 , there are no material assets pledged as security for such parent company guarantees . contingent acquisition obligations we have structured certain acquisitions with additional contingent purchase price obligations in order to reduce the potential risk associated with negative future performance of the acquired entity . in addition , we have entered into agreements that may require us to purchase additional equity interests in certain consolidated and unconsolidated subsidiaries . the amounts relating to these transactions are based on estimates of the future financial performance of the acquired entity , the timing of the exercise of these rights , changes in foreign currency exchange rates and other factors . we have not recorded a liability for these items since the definitive amounts payable are not determinable or distributable . when the contingent acquisition obligations have been met and consideration is determinable and distributable , we record the fair value of this consideration as an additional cost of the acquired entity . however , we recognize deferred payments and purchases of additional interests after the effective date of purchase that are contingent upon the future employment of owners as compensation expense . compensation expense is determined based on the terms and conditions of the respective acquisition agreements and employment terms of the former owners of the acquired businesses . this future expense will not be allocated to the assets and liabilities acquired and is amortized over the required employment terms of the former owners . the following table details the estimated liability with respect to our contingent acquisition obligations and the estimated amount that would be paid under the options , in the event of exercise at the earliest exercise date . all payments are contingent upon achieving projected operating performance targets and satisfying other notes to consolidated financial statements 2014 ( continued ) ( amounts in millions , except per share amounts ) .

Question: what is the mathematical range for the range of rent obligations from 2008-2012?
Program: subtract(323.9, 197.9)
Answer: 126.0