Question 6 (1 point) Sarah today pays $56,447.39 for a perpetuity due with $10,000 payments. However, her payments don't start until n years from now. If the perpetuity earns 10% annual effective interest, calculate the starting time of her first payment, n. O a) 5 Ob) 7 O c) 4 O d) 6 O e) 8