a) Calculate the present equivalent value (P) for the following cash flow profile. $5,500 $5,500 $5,000 $4,500 $4,000 $3,500 $3,000 i= 12% t=0 t-1 t=2 t=3 t=4 t=5 t=6 b) Maria deposits $4000 in a savings account that pays 10% compounded annually. 2 years after the deposit (at the end of year 2), the interest rate increases to 11% compounded annually. A second deposit of $5000 is made immediately once the interest rate changes to 11%. How much will be in the fund 7 years after the second deposit