Please complete the following problem in detail. Provide insightful answers and descriptions. After you have answered ALL the questions, read and comment on at least three more posts from other students Watch your spelling! Check Rubric . Problem: A diagnostics laboratory is considering one of the following microscopes with digital recording and pattern detection software: Option B $30,000 Options C $15,000 Option A $20,000 Cost $1,199 $2,199 $1,000 Savings IRR 6% 9% 7% Each machine will have a 20-year life with no salvage value. There is a lot of debate within the company as to whether these devices are really going to last long, but they assume MARR of 10% as reasonable. 1. Which system do you recommend and why? 2. What is MARR? What is the formula to calculate it