Marko has 3 years' worth of payments remaining on his student loan. He pays $354 per month. If Marko's bank charges 6.4% interest per year, compounded monthly, determine the amount of interest Marko saves if he pays off the rest of the loan today. a. $1264.61 b. $2220.92 c. $939.29 d. $1176.70 none of the above e