Can someone please help me with both parts of this question please?

Sara's Systems manufactures audio systems for cars. Two models are produced: The Standard model has a budgeted price of S215 and a standard variable cost of $95. The Blaster model has a budgeted price of $495 and a standard variable cost of $175. At the beginning of the year, Sara estimated that she would sell 6,060 Blaster models and 24,240 Standard models. The actual results for the year showed that 7,080 Blaster models were sold for total revenues of 53,044.400. A total of 25,900 Standard models were sold for revenues of $5,698.000 Required a. Compute the activity variance for the year. (Do not round intermediate calculations. Indicate the effect of each variance by selecting "F" for favorable, or"U" for unfavorable lf there is no effect, do not select either option.) b om p te he mix and quanti either option.) var ances for he ear Dnot round intermediate calculations. In cate the effectof each vanance by selecting F for avorable or e is no effect, rable. th or un a ono select Mix variance Quantity variance