Levinson’s department store is having a special sale this weekend. customers charging purchases of more than $50 to their store credit card will be given a special levinson’s lottery card. the customer will scratch off the card, which will indicate the amount to be taken off the total amount of the purchase. listed below are the amount of the prize and the percent of the time that amount will be deducted from the total amount of the purchase.

"jake’s roof repair has provided the following data concerning its costs: fixed cost per month cost per repair-hour wages and salaries $ 20,900 $ 15.00 parts and supplies $ 7.70 equipment depreciation $ 2,800 $ 0.35 truck operating expenses $ 5,720 $ 1.60 rent $ 4,690 administrative expenses $ 3,850 $ 0.50 for example, wages and salaries should be $20,900 plus $15.00 per repair-hour. the company expected to work 2,600 repair-hours in may, but actually worked 2,500 repair-hours. the company expects its sales to be $47.00 per repair-hour. required: compute the company’s activity variances for may."