单选题 Lois Weaver wants to have $1.5 million in a retirement fund when she retires in 30 years. If Weaver can earn a 9 percent rate of return on her investments, approximately how much money must she invest at the end of each of the next 30 years in order to reach her goal?

• A. $50000.
• B. $28725.
• C. $11005.