two manufacturers supply mri systems for medical imaging. st. jude's hospital wishes to replace its current mri equipment that was purchased 8 years ago with the newer technology and clarity of a state-of-the-art system. system k will have a first cost of $1,600,000, an operating cost of $70,000 per year, and a salvage value of $400,000 after its 4-year life. system l will have a first cost of $2,100,000, an operating cost of $50,000 the first year with an expected increase of $3000 per year thereafter, and no salvage value after its 8-year life. which system should be selected on the basis of a future worth analysis at an interest rate of 12% per year?