Please answer the given financial question based on the context.
Context: entergy corporation and subsidiaries management's financial discussion and analysis net revenue utility following is an analysis of the change in net revenue comparing 2011 to 2010 . amount ( in millions ) .
||amount ( in millions )|
|2010 net revenue|$ 5051|
|mark-to-market tax settlement sharing|-196 ( 196 )|
|purchased power capacity|-21 ( 21 )|
|net wholesale revenue|-14 ( 14 )|
|volume/weather|13|
|ano decommissioning trust|24|
|retail electric price|49|
|other|-2 ( 2 )|
|2011 net revenue|$ 4904|
the mark-to-market tax settlement sharing variance results from a regulatory charge because a portion of the benefits of a settlement with the irs related to the mark-to-market income tax treatment of power purchase contracts will be shared with customers , slightly offset by the amortization of a portion of that charge beginning in october 2011 . see notes 3 and 8 to the financial statements for additional discussion of the settlement and benefit sharing . the purchased power capacity variance is primarily due to price increases for ongoing purchased power capacity and additional capacity purchases . the net wholesale revenue variance is primarily due to lower margins on co-owner contracts and higher wholesale energy costs . the volume/weather variance is primarily due to an increase of 2061 gwh in weather-adjusted usage across all sectors . weather-adjusted residential retail sales growth reflected an increase in the number of customers . industrial sales growth has continued since the beginning of 2010 . entergy 2019s service territory has benefited from the national manufacturing economy and exports , as well as industrial facility expansions . increases have been offset to some extent by declines in the paper , wood products , and pipeline segments . the increase was also partially offset by the effect of less favorable weather on residential sales . the ano decommissioning trust variance is primarily related to the deferral of investment gains from the ano 1 and 2 decommissioning trust in 2010 in accordance with regulatory treatment . the gains resulted in an increase in interest and investment income in 2010 and a corresponding increase in regulatory charges with no effect on net income . the retail electric price variance is primarily due to : rate actions at entergy texas , including a base rate increase effective august 2010 and an additional increase beginning may 2011 ; a formula rate plan increase at entergy louisiana effective may 2011 ; and a base rate increase at entergy arkansas effective july 2010 . these were partially offset by formula rate plan decreases at entergy new orleans effective october 2010 and october 2011 . see note 2 to the financial statements for further discussion of these proceedings. .
Question: what is the total amount of variance that favorably affected net revenue in 2011?


Answer: The answer is:86.0