tesent Vahuc index Sweet Tooth Candy Company tias computed the net preseht volue for capital expenditure at two locations. Relevant data related to the computabion are as follows Internal futit of Heturn Method The internal rate of return method is used by Queen Gros. Canstruction Co. ith anslyaing a ceptal expendeture propesal that involves-an invesement of 142,680 and annus nat cash. Hows of 88,000 for each of the eight vears of its usehul lile. Pretent Value of an Annaity of si at Compound Interest a. Determine a present volie factor for ancanmaty of \$1. which can be used in detemining the unternal rite of retiam. If required, round vour anwwer to itiree decimal places. b. Using the lactor determined in port (a) and the presenit value of an annaty of $1. rable above, determine the interiul rate of retuin tor the proposal