Task: Table-QA (source dataset: FinQA)

Task: 
You are given a table containing structured data and a natural language question referring to the table. Your goal is to analyze the table and provide an accurate and concise answer based on the given data.

Instructions:
1. Understand the Table: Examine the structure, headers, and data in the table. Identify relevant columns and rows related to the question.
2. Interpret the Question: Determine whether the question requires direct retrieval, aggregation, comparison, sorting, filtering, or inference.
3. Extract the Answer: Use logical reasoning and numerical operations (if necessary) to derive the correct response from the table.
4. Format the Answer: No explanation, return the answer in a structured JSON format: {"answer": <answer>}. If the question cannot be answered due to missing or ambiguous data, return a JSON response with {"answer": null}.

Table:
| Unnamed: 0       | ( in millions )   |
|:-----------------|:------------------|
| 2002 net revenue | $ 380.2           |
| base rates       | 48.3              |
| other            | -1.9 ( 1.9 )      |
| 2003 net revenue | $ 426.6           |

Question:
what is the net change in net revenue entergy mississippi , inc . during 2003?


pre_text: entergy mississippi , inc .
management's financial discussion and analysis other regulatory charges ( credits ) have no material effect on net income due to recovery and/or refund of such expenses .
other regulatory credits increased primarily due to the under-recovery through the grand gulf rider of grand gulf capacity charges .
2003 compared to 2002 net revenue , which is entergy mississippi'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 increase in base rates was effective january 2003 as approved by the mpsc .
gross operating revenue , fuel and purchased power expenses , and other regulatory charges ( credits ) gross operating revenues increased primarily due to an increase in base rates effective january 2003 and an increase of $ 29.7 million in fuel cost recovery revenues due to quarterly changes in the fuel factor resulting from the increases in market prices of natural gas and purchased power .
this increase was partially offset by a decrease of $ 35.9 million in gross wholesale revenue as a result of decreased generation and purchases that resulted in less energy available for resale sales .
fuel and fuel-related expenses decreased primarily due to the decreased recovery of fuel and purchased power costs and decreased generation , partially offset by an increase in the market price of purchased power .
other regulatory charges increased primarily due to over-recovery of capacity charges related to the grand gulf rate rider and the cessation of the grand gulf accelerated recovery tariff that was suspended in july 2003 .
other income statement variances 2004 compared to 2003 other operation and maintenance expenses increased primarily due to : 2022 an increase of $ 6.6 million in customer service support costs ; and 2022 an increase of $ 3.7 million in benefit costs .
the increase was partially offset by the absence of the voluntary severance program accruals of $ 7.1 million that occurred in 2003 .
taxes other than income taxes increased primarily due to a higher assessment of ad valorem and franchise taxes compared to the same period in 2003 .
2003 compared to 2002 other operation and maintenance expenses increased primarily due to : 2022 voluntary severance program accruals of $ 7.1 million ; and 2022 an increase of $ 4.4 million in benefit costs. .
label: 46.4
qa: answer: 46.4
ann_table_rows: 1
4
steps: op: minus2-1
arg1: 426.6
arg2: 380.2
res: 46.4
program: subtract(426.6, 380.2)
gold_inds: table_1: the 2002 net revenue of ( in millions ) is $ 380.2 ;
table_4: the 2003 net revenue of ( in millions ) is $ 426.6 ;
exe_ans: 46.4
tfidftopn: text_0: entergy mississippi , inc .
program_re: subtract(426.6, 380.2)
model_input: text_4
following is an analysis of the change in net revenue comparing 2003 to 2002. .
table_1
the 2002 net revenue of ( in millions ) is $ 380.2 ;
table_4
the 2003 net revenue of ( in millions ) is $ 426.6 ;