If you invested into your friend's business and he agrees to pay you $100 at the end of each of the next 3 years, $200 at the end of Year 4, $300 at the end of Year 5, and $500 at the end of Year 6. If other investments of equal risk earn 8% annually, what is its present value? a. $940 O b. $824 c. $924 d. $950