Classics, Ltd., details cars. Classics wants to compare this quarter's results with those for last quarter, which is believed to be typical for operations. Assume that the following information is provided. Required: a. Compute the flexible budget and sales activity variance and prepare a profit variance analysis. (Hint. Use last quarter as the master budget and this quarter as "actual.") b. What impact did the changes in number of detailings and average revenues (i.e., sales price) have on Classics, Ltd.'s contribution margin? Complete this question by entering your answers in the tabs below. Compute the flexible budget and sales activity variance and prepare a profit variance analysis. (Hint: Use last quarter as the master budget ar "actual.") (Do not round intermediate calculations. Indicate the effect of each variance by selecting "F" for favorable, or "U" for unfavorable. If not select either option. Enter your answers rounded to the nearest whole number.) a. Compute the flexible budget and sales activity variance and prepare a profit variance analysis. (Hint. Use last quarter as the master budget and this quarter as "actual.") b. What impact did the changes in number of detailings and average revenues (i.e., sales price) have on Classics, Ltd.'s contribution margin? Complete this question by entering your answers in the tabs below. Compute the flexible budget and sales activity variance and prepare a profit variance analysis. (Hint: Use last quarter as the master budget "actual.") (Do not round intermediate calculations. Indicate the effect of each variance by selecting "F" for favorable, or "U" for unfavorable. not select either option. Enter your answers rounded to the nearest whole number.)