Acompany makes greeting cards and their research shows that that price and demand are related linearly: p = m x + b . they know that for every additional card they wish to sell they need to drop the price by $0.10. they also know that in order to sell 320 cards they need to set the price at $5. find the linear equation relating price to demand.

Match each event to its effect on the equilibrium interest rate and the amount of investment in the loanable funds market. higher interest rate, greater investment higher interest rate, less investment lower interest rate, less investment lower interest rate, greater investment immediate consumer gratification is no longer preferred by people. an efficient new source of energy effectively increases the return on owning a factory. a wave of retirees stops working and begins drawing on retirement savings.