48. Unlow Inc. must choose between two alternate transactions. Transaction 1 would generate $160,000 cash, all of which would be taxable, while transaction 2 would generate $120,000 cash, none of which would be taxable. Determine the marginal tax rate at which the after-tax cash ows from the two transactions are equal. A. 15% B. 20% C. 25% D. 30%