[Solved] Free-speech advocates believe that purchasing adult pornographic material is illegal and wrong even for consenting adults. Interest Rate: The cost of borrowing money or the return on deposited funds, expressed as a percentage of the principal. Loanable Funds Theory: The Loanable Funds Theory is an economic principle that posits the market interest rates are determined by the supply and demand for loans, where saving provides the supply and investments demand the funds. Equilibrium Interest Rate: The interest rate at which the quantity of loanable funds demanded equals the quantity of loanable funds supplied, resulting in a balance between savings and investment. Expected Rates: The anticipated rates of return, interest, or growth in various contexts such as finance, investment, and economic forecasting.