On December 31, 2020, a company sells goods to a customer, accepting $5,000 immediate cash payment and agreeing to accept the balance as a non-interest-bearing note due in four equal installments of $3,000, payable each subsequent December 31. The market rate of interest for a note of similar risk is 9%. How much interest income will the company recognize in total over the 4-year life of the note? a. $331 b. $2,281 c. $3,501 d. $4,719