{"pre_text": ["entergy mississippi , inc .", "management 2019s financial discussion and analysis results of operations net income 2016 compared to 2015 net income increased $ 16.5 million primarily due to lower other operation and maintenance expenses , higher net revenues , and a lower effective income tax rate , partially offset by higher depreciation and amortization expenses .", "2015 compared to 2014 net income increased $ 17.9 million primarily due to the write-off in 2014 of the regulatory assets associated with new nuclear generation development costs as a result of a joint stipulation entered into with the mississippi public utilities staff , subsequently approved by the mpsc , partially offset by higher depreciation and amortization expenses , higher taxes other than income taxes , higher other operation and maintenance expenses , and lower net revenue .", "see note 2 to the financial statements for discussion of the new nuclear generation development costs and the joint stipulation .", "net revenue 2016 compared to 2015 net revenue consists of operating revenues net of : 1 ) fuel , fuel-related expenses , and gas purchased for resale , 2 ) purchased power expenses , and 3 ) other regulatory charges ( credits ) .", "following is an analysis of the change in net revenue comparing 2016 to 2015 .", "amount ( in millions ) ."], "post_text": ["the retail electric price variance is primarily due to a $ 19.4 million net annual increase in revenues , as approved by the mpsc , effective with the first billing cycle of july 2016 , and an increase in revenues collected through the storm damage rider .", "see note 2 to the financial statements for more discussion on the formula rate plan and the storm damage rider .", "the volume/weather variance is primarily due to an increase of 153 gwh , or 1% ( 1 % ) , in billed electricity usage , including an increase in industrial usage , partially offset by the effect of less favorable weather on residential and commercial sales .", "the increase in industrial usage is primarily due to expansion projects in the pulp and paper industry , increased demand for existing customers , primarily in the metals industry , and new customers in the wood products industry. ."], "table": [["", "amount ( in millions )"], ["2015 net revenue", "$ 696.3"], ["retail electric price", "12.9"], ["volume/weather", "4.7"], ["net wholesale revenue", "-2.4 ( 2.4 )"], ["reserve equalization", "-2.8 ( 2.8 )"], ["other", "-3.3 ( 3.3 )"], ["2016 net revenue", "$ 705.4"]], "table_ori": [["", "Amount (In Millions)"], ["2015 net revenue", "$696.3"], ["Retail electric price", "12.9"], ["Volume/weather", "4.7"], ["Net wholesale revenue", "(2.4)"], ["Reserve equalization", "(2.8)"], ["Other", "(3.3)"], ["2016 net revenue", "$705.4"]]}

Question: how much cost would be passed on to customers , in millions , due to the retail electric price variance over the next 3 years?
Evidence:
text_7: the retail electric price variance is primarily due to a $ 19.4 million net annual increase in revenues , as approved by the mpsc , effective with the first billing cycle of july 2016 , and an increase in revenues collected through the storm damage rider .
Program: add(19.4, 19.4), add(#0, 19.4)
Answer:
str_answer: 58.2
exe_answer: 58.2