Question

what do we call the time required to earn a return on an investment in order to repay the cost of the investment? savings cost - benefit gdp payback period

Explanation:

• "Savings" refers to money set aside, not related to repaying investment cost over time.
• "Cost - benefit" is an analysis method, not a time measure for investment repayment.
• "GDP" (Gross Domestic Product) measures a country's economic output, irrelevant here.
• "Payback period" is defined as the time needed to earn a return to repay the investment cost.

Answer:

D. payback period