The addition of a turbocharger to a small V-6 engine that gets 18 miles per gallon of gasoline can boost its power to that of a V-8 engine and increase fuel efficiency at the same time. If Bill will pay $800 to turbocharge his engine and his fuel efficiency increases by 3 miles per gallon, how many miles will he have to drive each month for 3 years in. order to break-even. Assume the cost of gasoline is $3.25 per gallon and the interest rate is 1% per month.

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Please write all your steps regarding each calculation. Also, refer to the formula sheet; if any formula is used, please label it. Thankyou.

Assume that someone have to pay tuition for four years.  Two years at RCC school and then two years at Northeastern University. Two years at RCC cost $25000 for Two years at Northeastern University $144000 That person then get a fulltime engineering job for $90000/yr.   What is that person own simple payback period and his/her ROI for paying for school in order to get that Engineering job?