4. Supply and demand for loanable funds The following graph shows the market for loanable funds in a dosed economy. The upward-sloping orange line represents the supply of loanable funds, and the downward-sloping blue line represents the demand for loanable funds._______ is the source of the supply of loanable funds. As the interest rate falls, the quantity of loanable funds supplied_______ .Suppose the interest rate is 4.5%. Based on the previous graph, the quantity of loanable funds supplied is _______ than...