{"pre_text": ["entergy louisiana , inc .", "management's financial discussion and analysis gross operating revenues , fuel and purchased power expenses , and other regulatory credits gross operating revenues increased primarily due to : 2022 an increase of $ 98.0 million in fuel cost recovery revenues due to higher fuel rates ; and 2022 an increase due to volume/weather , as discussed above .", "the increase was partially offset by the following : 2022 a decrease of $ 31.9 million in the price applied to unbilled sales , as discussed above ; 2022 a decrease of $ 12.2 million in rate refund provisions , as discussed above ; and 2022 a decrease of $ 5.2 million in gross wholesale revenue due to decreased sales to affiliated systems .", "fuel and purchased power expenses increased primarily due to : 2022 an increase in the recovery from customers of deferred fuel costs ; and 2022 an increase in the market price of natural gas .", "other regulatory credits increased primarily due to : 2022 the deferral in 2004 of $ 14.3 million of capacity charges related to generation resource planning as allowed by the lpsc ; 2022 the amortization in 2003 of $ 11.8 million of deferred capacity charges , as discussed above ; and 2022 the deferral in 2004 of $ 11.4 million related to entergy's voluntary severance program , in accordance with a proposed stipulation with the lpsc staff .", "2003 compared to 2002 net revenue , which is entergy louisiana's measure of gross margin , consists of operating revenues net of : 1 ) fuel , fuel-related , and purchased power expenses and 2 ) other regulatory charges ( credits ) .", "following is an analysis of the change in net revenue comparing 2003 to 2002. ."], "post_text": ["the deferred fuel cost revisions variance resulted from a revised unbilled sales pricing estimate made in december 2002 and a further revision made in the first quarter of 2003 to more closely align the fuel component of that pricing with expected recoverable fuel costs .", "the asset retirement obligation variance was due to the implementation of sfas 143 , \"accounting for asset retirement obligations\" adopted in january 2003 .", "see \"critical accounting estimates\" for more details on sfas 143 .", "the increase was offset by decommissioning expense and had no effect on net income .", "the volume variance was due to a decrease in electricity usage in the service territory .", "billed usage decreased 1868 gwh in the industrial sector including the loss of a large industrial customer to cogeneration. ."], "table": [["", "( in millions )"], ["2002 net revenue", "$ 922.9"], ["deferred fuel cost revisions", "59.1"], ["asset retirement obligation", "8.2"], ["volume", "-16.2 ( 16.2 )"], ["vidalia settlement", "-9.2 ( 9.2 )"], ["other", "8.9"], ["2003 net revenue", "$ 973.7"]], "table_ori": [["", "(In Millions)"], ["2002 net revenue", "$922.9"], ["Deferred fuel cost revisions", "59.1"], ["Asset retirement obligation", "8.2"], ["Volume", "(16.2)"], ["Vidalia settlement", "(9.2)"], ["Other", "8.9"], ["2003 net revenue", "$973.7"]]}

Question: what is the net change in net revenue during 2003 for entergy louisiana , inc.?
Evidence:
table_1: the 2002 net revenue of ( in millions ) is $ 922.9 ;
table_7: the 2003 net revenue of ( in millions ) is $ 973.7 ;
Program: subtract(973.7, 922.9)
Answer:
str_answer: 50.8
exe_answer: 50.8