1. Calculate the value to be received at the end of year 1 that is equivalent to $150 at the end of year 1, $450 at the end of year 2, and $300 at the end of year 3, given a discount rate of 10%.
2. Find the present value of a cash flow stream of $100 per year for the first 2 years and $200 per year for the next 2 years, given a 12% discount rate.