You have an investment opportunity that pays $500 every three months for 7 years and an additional $14,000 at the end of the seventh year. How much is the investment worth today if you can invest in a similarly risky project and receive an 8.5% return? Select one: a. Less than $17,500 b. Between $17,500 and $18,500 c. Between $18,500 and $19,500 d. Between $19,500 and $20,500 e. Greater than $20,500