Which of the following statement defines simple payback? Simple payback is product of investment to and savings Simple payback is sum of savings over the life of the investment Simple payback is difference between savings and loss Simple payback is ratio of investment to savings Which of the following statement defines inflation rate? Inflation is increase in the level of prices of the goods and services over time. Inflation is nominal interest rate. Inflation is increase in the discount rate over time. Inflation is decrease in the interest over time