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3. You are the lucky winner of an online sweepstakes that promises to pay you $15,000 annually forever. The payments will begin in one year. What is the present value of this perpetuity if the interest rate is 5% ? A) $3,000 B) $300,000 C) $75,000 D) More information is needed to solve the problem 4. What is the present value of $100 received in 1 year, $200 received in 4 years and $470 received in 6 years if the interest rate is 6% per year? A) $584.09 B) $634.38 C) $722.19 D) $907.55