a. What is the activity variance for revenue? (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance)).

b. What is the spending variance for the cost of ingredients? (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance)).

c. What is spending variance for wages and salaries? (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance)).

d. What is spending variance for total expenses? (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance)).

Revise the data in your worksheet to reflect the results for the subsequent period as shown below: A . D E 1 Chapter 9: Applying Excel 2 3 Data 4 Revenue $ 16.50 a 5 $ 6.25 9 6 Cost of ingredients Wages and salaries Utilities $ 10,400 800 7 $ + $ 0.209 Rent $ 0 0 2,200 600 Miscellaneous $ + $ 0.80 9 10 11 Actual results: 12 Revenue $ 30,285 $ 11,005 $ 10,440 $ 13 Cost of ingredients 14 Wages and salaries 15 Utilities 16 Rent 17 Miscellaneous 18 $ 1,200 2,200 2,010 $ 19 Planning budget activity Actual activity 20 1,700 meals served 1,800 meals served