Solutions to Extra Problems 3

Solutions to Extra Problems 3 - ACTSC 231 Extra Problem Set...

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ACTSC 231 Extra Problem Set 3 Solutions 1. 250 u a u 1 U .5 ± u a u 1 U 1 ± u a u 1 U 1.5 ± u a u 1 U 2 ±² U 250 ³ 1 u .03 U .5 ± u 1 u .03 U 1 ± u 1 u .03 U 1.5 ± u 1 u .03 U 2 ±´ U 962. 5 AV at time 3 is: 962.50 a U 3 ± U 962.50/ a u 1 U 3 ± U 962.50/ U 1 u .03 U 3 ±± U 1057.69 2. 4000 U 200 a 20| i u 100 v 20 a 20| i 2500 U 250 v 20 a 20| i µ v 20 a 20| i U 10 µ 4000 U 200 a 20| i u 100 U 10 ± µ a 20| i U 15 150 a 20| i u 300 v 20 a 20| i U 150 U 15 ± u 300 U 10 ± U 5250 3. Using your calculator: 1. Make sure your calculator is in finance mode. (If necessary press [ MODE] until FIN appears in the display) 2. [AC/ON] 3. 12000 [ PV] 4. 36 [ N] 5. 450 [ PMT] 6. [ CPT] [%i] (Note: it will take your calculator about 15 seconds to calculate this) This give us an answer of i U 12 ± 12 U 1.721548845 7. multiply by 12 this gives i U 12 ± U 20.65858614 8. 20.65858614 [2nd] [ ± EFF] 12 [ U ] i U 22.7313669% also i U 1 u i U 12 ± 12 12 u 1 U U 1.01721548845 ± 12 u 1 U 22.731367%
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