Tutorial05_-_soln

Tutorial05_-_soln - Problem Set 5-solution: ACTSC 231...

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Unformatted text preview: Problem Set 5-solution: ACTSC 231 Mathematics of Finance, Fall 2010 Q1. The present value of this perpetuity-due is 1 , 000 v n a e = 6 , 561; where v = 9 / 10 i.e. d = 1 / 10. We know that a e = 1 /d = 10. Thus, n = ln(6 , 561 / 10 , 000) ln 0 . 9 = 4 . Q2. We first need to find the interest rate i on the loan, which solves 50 , 000 = 7 , 426 . 39a 8 e i. Using the financial calculator, we find i = 4%. (a) We can then compute OLB 3 = 7 , 426 . 39a 5 e 4% = 33 , 060 . 98. (b) The interest paid in the fourth payment is i OLB 3 = 1 , 322 . 44. Q3. (a) The loan amount L is 10,000 and the payment P is such that L = P a 5 e 6% . Solving this equation, we obtain P = 2 , 373 . 96. Consequently, OLB 2 = P a 3 e 6% = 6 , 345 . 63. (b) The additional payment at time 5 is the accumulated value of the missed payment at time 3, and hence is given by P (1 . 06) 2 = 2 , 667 . 39. Q4. This annuity is the sum of the annuity with payment $1,000 from t = 0 to t = 3 and the annuity with the first payment $1,000 at...
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This note was uploaded on 11/30/2010 for the course MATH 235/237 taught by Professor Wilkie during the Spring '10 term at Waterloo.

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Tutorial05_-_soln - Problem Set 5-solution: ACTSC 231...

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