The effect of price on demand The demand for a commodity usually depends on its price. If...

The effect of price on demand The demand for a commodity usually depends on its price. If other factors do not affect the demand, then the quantity Q purchased at price P (in cents) is given by Q = kP−c, where k and c are positive constants. If k = 105 and , find the price that will result in the purchase of 5000 items.