1. Manny, a calendar-year taxpayer, uses the cash method of accounting for his sole proprietorship. In late December he performed $21,000 of legal services for a client. Manny typically requires his clients to pay his bills immediately upon receipt. Assume Mannys marginal tax rate is 32 percent this year and next year, and that he can earn an after-tax rate of return of 6 percent on his investments. What is the net benefit of collecting the bill in December?

2.Jonah has the choice of paying Rita $10,000 today or $40,000 in ten years. Assume Jonah can earn a 11 percent after-tax rate of return. What is the present value of the $40,000 payment due in 10 years?