Required information The Chapter 9 Form worksheet is to be used to create your own worksheet version of the Review Problem example in the text. Requirement 2: Revise the data in your worksheet to reflect the results for the subsequent period as shown below: 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" f 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))