content area top Part 1 Over time, how do changes in the demand for loanable funds and the supply of loanable funds change the real interest rate? Question content area bottom Part 1 Over time, _______. A. the demand for loanable funds trends upward, the supply of loanable funds trends downward, and the real interest rate trends upward B. both the demand for loanable funds and the supply of loanable funds trend upward, and the real interest rate also trends upward C. the demand for loanable funds trends downward, the supply of loanable funds trends upward, and the real interest rate trends upward D. both the demand for loanable funds and the supply of loanable funds trend upward, but the real interest rate has no trend