Your grandparents ask your advice about a possible investment. They will receive cash flow of $3,636; $2,786; $1,578; $5,236; and $2,365 at the end of the next five years. They must contribute $8,500 at the beginning and then another $3,000 at the end of year three. What is the NPV if their required return is 11%?

A. 849.73

B. -456.26

C. -1,563.59

D. 1,473.36

E. -1,236.56