Using Net Present Value, answer the following:

Met Life Hospital is planning to buy an attachment for its X-ray machine, The cost of the attachment is $4,550 and life of 4 years, Salvage value is zero, and an increase in cash inflows every year is $1,200. No investment is to be made unless having an annual of 10%. Will MetLife Hospital invest in the attachment?

Please show all work, factors, and how you came to your decision. Thank you so much!