An advertised investment product promises to pay $439 per month for 51 months commencing in 1 month from today. If the investment earns 7.8% p.a compounding monthly, how much will the investment product cost today? (round to nearest cent; dont use $ sign or commas)

Select one:

a. $19004.20

b. $19127.73

c. $1538.05

d. $1658.01