Which one of the following best describes the effect of an increase in the interest rate on investment spending and the investment demand curve: Group of answer choices --> decrease in the profitability of investment --> decrease in investment spending, and a movement down the investment demand curve from A to B --> decrease in the profitability of investment --> decrease in investment spending, and a movement up the investment demand curve from A to B --> decrease r --> decrease in the profitability of investment --> decrease in investment spending, and a shift to the left in the investment demand curve --> increase in the profitability of investment --> increase in investment spending, and a movement down the investment demand curve from A to B None of the responses are correct