Carter cadillac pays commission to its car sales staff. they are paid a percent of the profit the dealership makes on the car, not on selling price of the car. if the profit is less than or equal to $500, the commission rate is 18%. if the profit is greater than $500 and less than or equal to $2000, the commission rate is 24% of the profit. if the profit is above $2000, the rate 27% of the profit. if p represents the profit, express the commission c(p) algebraically as a split function.