What is the present value of the following cash flow stream at a rate of 10.0%? a $10, 866.57 b $7, 749.11 c $8, 907.02 d $8, 283.53 e $10, 777.50 What is the present value of a 4 - year ordinary annuity of $2, 250 per year plus an additional $2, 400 at the end of Year 4 if the interest rate is 5%? a $10, 848.63 b $8, 858.06 c $7, 464.66 d $9, 952.87 e $12, 341.56