An acre planted with walnut trees is estimated to be worth $1,767,950 in 50 years. If you want to realize a 28 percent rate of return on your investment, how much can you afford to invest per acre? (Ignore all taxes and assume the annual cash outlays to maintain your stand of walnut tree are nil.)
A. $101.21
B. $7.71
C. $12.31
D. $43.12