All else constant, and assuming positive interest rates, an increase in the interest rate will cause the present value of some amount of money to be received in the future (for example, $1000 to be received exactly 15 years from today) to And, all else constant, an decrease in the number of periods (for example, $1000 to be received 10 years from today instead of 15 years from today) will cause the present value of some amount of money to be received in the future to 1) increase; increase 2) decrease; decrease . 3) decrease; increase increase; decrease