How much can the manufacturer of superconducting magnetic energy storage systems afford to spend now on new

Question:

How much can the manufacturer of superconducting magnetic energy storage systems afford to spend now on new equipment in lieu of spending $75,000 four years from now? The company's real is 12% per year, and the inflation rate is 3% per year.

MARR
Minimum Acceptable Rate of Return (MARR), or hurdle rate is the minimum rate of return on a project a manager or company is willing to accept before starting a project, given its risk and the opportunity cost of forgoing other...