Nancy owns 10% interest in ABC Corporation and 20% of the outstanding shares of XYZ Corporation. Her son Nick owns 60% of the outstanding shares of XYZ Corporation. XYZ Corporation owns 50% interest in ABC Corporation. Denise, Nancy’s mother, owns 40% interest in ABC Corporation. Under the constructive ownership rules of Sec. 318, Nancy is considered to own how much of ABC Corporation

"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."