Final answer:
The cash proceeds to Chang Co. can be calculated using the present value formula.
Step-by-step explanation:
To calculate the cash proceeds to Chang Co., we need to find the present value of the note. The formula to calculate the present value of a discounted note is:
Present Value = Face Value / (1 + (Discount Rate * Time))
Using this formula, the cash proceeds to Chang Co. can be calculated as follows:
Present Value = $51,000 / (1 + (0.11 * (120/360))) = $49,080
Therefore, the correct answer is A. $49,080.