Davis Corporation manufactures and sells portable radios. The radio sells for $ 50.00 per unit and its variable costs per unit are $ 30.00. Fixed costs are $ 57 comma 000 per month for sales volumes up to 25 comma 000 radios. If more than 25 comma 000 radios are sold, the fixed costs will be $ 42 comma 000. The flexible budget would reflect what monthly operating income for a sales volume of 42 comma 000 radios?

"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."