Question 15 (Marks: 2) Mr. \& Mrs. Gruber borrowed $500,000 from BMO to buy a house in Laval, Quebec. The mortgage rate is quoted at 4% (QR), with semi-annual compounding, and equal bi-weekly payments (assuming 52 weeks per year). The loan is to be amortized over 25 years. How long will it take to repay the loan If Mr. \& Mrs. Gruber double each payment to repay their mortgage sooner? Select one: a. 325 payments b. 248.1 payments c. 248 payments d. 250.6 payments e. 247.6 payments f. 282.6 payments g. 281.9 payments h. 252.8 payments i. 243.3 payments