Please answer #18, not 17! Thanks.

17. A pension fund must pay out $5 million next year, $2 million the following year and then $3 million the year after that. If the discount rate is 8% what is the duration of this set of payments? Multiply by yrs 5/1.08=4.629(4.6291)+(1.71462)+(2.3813)=15.20122(1.08)2=1.71463/(1.08)3=2.381=8.724615.2012/8.7246=1.7423 18. In the problem above, how much should you have set aside in an asset fund to fully fund the obligations