32. Beginning three months from now, you will need $1,500 each quarter for the next four years to cover expenses. How much do you need to have saved today to meet these needs if you can earn .35 percent interest per quarter?

4 years and 4 quarters = 16 periods

PRESENT VALUE = 1,500 (1-(1/1.0035)^16) /0.0035

33. A proposed project has cash flows of $2,000, $X, $1,750, and $1,250 at the end of Years 1 to 4. The discount rate is 7.2 percent and the present value of the four cash flows is $6,669.25. What is the value of X, the Year 2 cash flow?

CF1 / (1+7.2%)^1 + CF2 / (1+7.2%)^2 + CF3 / (1+7.2%)^3 + CF4 / (1+7.2%)^4

6,669.25 = 2,000 / (1+7.2%)^1 + CF2 / (1+7.2%)^2 + CF3 / (1+7.2%)^3 + CF4 / (1+7.2%)^4

P / (1 + 7.2%)^2 = 6,669.25 - 4,232.734725

P = 2,436.51527 x (1 +7.2%)^2

P = 2,800

i understand how to set these problems up using the formulas i just don't understand how i would plug this into a HP-12C calculator