A manufacturer of disk drives for notebook com- wants an MTBF of at least 50,000 hours. Recent test 10 units were one failure at 10,000 hours, another results for 25,000 hours, and two more at 45,000 hours. The remaining at were still running at 60,000 hours. Determine the following: units a) Percent of failures b) Number of failures per unit-hour c) MTBF at this point in the testing

Each of the four independent situations below describes a sales-type lease in which annual lease payments of $12,500 are payable at the beginning of each year. each is a finance lease for the lessee. (fv of $1, pv of $1, fva of $1, pva of $1, fvad of $1 and pvad of $1) (use appropriate factor(s) from the tables provided.) situation 1 2 3 4 lease term (years) 3 3 3 3 asset’s useful life (years) 3 4 4 6 lessor’s implicit rate (known by lessee) 14 % 14 % 14 % 14 % residual value: guaranteed by lessee 0 $ 5,000 $ 2,500 0 unguaranteed 0 0 $ 2,500 $ 5,000 purchase option: after (years) none 2 3 3 exercise price n/a $ 7,500 $ 1,500 $ 3,500 reasonably certain? n/a no no yes

Monica needs to assess the slide sequence and make quick changes to it. which view should she use in her presentation program? a. outline b. slide show c. slide sorter d. notes page e. handout

Your father offers you a choice of $120,000 in 11 years or $48,500 today. use appendix b as an approximate answer, but calculate your final answer using the formula and financial calculator methods. a-1. if money is discounted at 11 percent, what is the present value of the $120,000?