{"pre_text": ["notes to consolidated financial statements 2013 ( continued ) ( amounts in millions , except per share amounts ) cash flows for 2010 , we expect to contribute $ 25.2 and $ 9.2 to our foreign pension plans and domestic pension plans , respectively .", "a significant portion of our contributions to the foreign pension plans relate to the u.k .", "pension plan .", "additionally , we are in the process of modifying the schedule of employer contributions for the u.k .", "pension plan and we expect to finalize this during 2010 .", "as a result , we expect our contributions to our foreign pension plans to increase from current levels in 2010 and subsequent years .", "during 2009 , we contributed $ 31.9 to our foreign pension plans and contributions to the domestic pension plan were negligible .", "the following estimated future benefit payments , which reflect future service , as appropriate , are expected to be paid in the years indicated below .", "domestic pension plans foreign pension plans postretirement benefit plans ."], "post_text": ["the estimated future payments for our postretirement benefit plans are before any estimated federal subsidies expected to be received under the medicare prescription drug , improvement and modernization act of 2003 .", "federal subsidies are estimated to range from $ 0.5 in 2010 to $ 0.6 in 2014 and are estimated to be $ 2.4 for the period 2015-2019 .", "savings plans we sponsor defined contribution plans ( the 201csavings plans 201d ) that cover substantially all domestic employees .", "the savings plans permit participants to make contributions on a pre-tax and/or after-tax basis and allows participants to choose among various investment alternatives .", "we match a portion of participant contributions based upon their years of service .", "amounts expensed for the savings plans for 2009 , 2008 and 2007 were $ 35.1 , $ 29.6 and $ 31.4 , respectively .", "expense includes a discretionary company contribution of $ 3.8 , $ 4.0 and $ 4.9 offset by participant forfeitures of $ 2.7 , $ 7.8 , $ 6.0 in 2009 , 2008 and 2007 , respectively .", "in addition , we maintain defined contribution plans in various foreign countries and contributed $ 25.0 , $ 28.7 and $ 26.7 to these plans in 2009 , 2008 and 2007 , respectively .", "deferred compensation and benefit arrangements we have deferred compensation arrangements which ( i ) permit certain of our key officers and employees to defer a portion of their salary or incentive compensation , or ( ii ) require us to contribute an amount to the participant 2019s account .", "the arrangements typically provide that the participant will receive the amounts deferred plus interest upon attaining certain conditions , such as completing a certain number of years of service or upon retirement or termination .", "as of december 31 , 2009 and 2008 , the deferred compensation liability balance was $ 100.3 and $ 107.6 , respectively .", "amounts expensed for deferred compensation arrangements in 2009 , 2008 and 2007 were $ 11.6 , $ 5.7 and $ 11.9 , respectively .", "we have deferred benefit arrangements with certain key officers and employees that provide participants with an annual payment , payable when the participant attains a certain age and after the participant 2019s employment has terminated .", "the deferred benefit liability was $ 178.2 and $ 182.1 as of december 31 , 2009 and 2008 , respectively .", "amounts expensed for deferred benefit arrangements in 2009 , 2008 and 2007 were $ 12.0 , $ 14.9 and $ 15.5 , respectively .", "we have purchased life insurance policies on participants 2019 lives to assist in the funding of the related deferred compensation and deferred benefit liabilities .", "as of december 31 , 2009 and 2008 , the cash surrender value of these policies was $ 119.4 and $ 100.2 , respectively .", "in addition to the life insurance policies , certain investments are held for the purpose of paying the deferred compensation and deferred benefit liabilities .", "these investments , along with the life insurance policies , are held in a separate revocable trust for the purpose of paying the deferred compensation and the deferred benefit ."], "table": [["years", "domestic pension plans", "foreign pension plans", "postretirement benefit plans"], ["2010", "$ 17.2", "$ 23.5", "$ 5.8"], ["2011", "11.1", "24.7", "5.7"], ["2012", "10.8", "26.4", "5.7"], ["2013", "10.5", "28.2", "5.6"], ["2014", "10.5", "32.4", "5.5"], ["2015 2013 2019", "48.5", "175.3", "24.8"]], "table_ori": [["Years", "Domestic Pension Plans", "Foreign Pension Plans", "Postretirement Benefit Plans"], ["2010", "$17.2", "$23.5", "$5.8"], ["2011", "11.1", "24.7", "5.7"], ["2012", "10.8", "26.4", "5.7"], ["2013", "10.5", "28.2", "5.6"], ["2014", "10.5", "32.4", "5.5"], ["2015 – 2019", "48.5", "175.3", "24.8"]]}

Question: what was the mathematical range for the postretirement benefit plans?
Evidence:
table_1: years the 2010 of domestic pension plans is $ 17.2 ; the 2010 of foreign pension plans is $ 23.5 ; the 2010 of postretirement benefit plans is $ 5.8 ;
table_2: years the 2011 of domestic pension plans is 11.1 ; the 2011 of foreign pension plans is 24.7 ; the 2011 of postretirement benefit plans is 5.7 ;
table_3: years the 2012 of domestic pension plans is 10.8 ; the 2012 of foreign pension plans is 26.4 ; the 2012 of postretirement benefit plans is 5.7 ;
table_4: years the 2013 of domestic pension plans is 10.5 ; the 2013 of foreign pension plans is 28.2 ; the 2013 of postretirement benefit plans is 5.6 ;
table_5: years the 2014 of domestic pension plans is 10.5 ; the 2014 of foreign pension plans is 32.4 ; the 2014 of postretirement benefit plans is 5.5 ;
table_6: years the 2015 2013 2019 of domestic pension plans is 48.5 ; the 2015 2013 2019 of foreign pension plans is 175.3 ; the 2015 2013 2019 of postretirement benefit plans is 24.8 ;
text_8: domestic pension plans foreign pension plans postretirement benefit plans .
Program: subtract(24.8, 5.5)
Answer:
str_answer: 19.3
exe_answer: 19.3