Assume the cost of an ACH transaction is $0.80, the charges for a wire transfer are $30.00, the monthly account maintenance fee is $10.00, and the company earns interest at an annual rate of 1.825% on overnight investments. What is the break-even point where the interest earned on overnight investments offsets the incremental wire costs?
A. $3,840
B. $5,840
C. $284,000
D. $584,000