The questions are in the last two sentences "what rate should Mr. Boom set his daily car rentals to maximize his revenue" and "what is his maximum income based on this rate" those are the questions... Rate:$___/day Maximum Income:$____/day

Broom's Vroom Room is a one-room car rental agency that is able to rent 180 cars per day at a rate of $32 each day. Mr. Broom, the owner of this fine establishment, tried increasing the rate of rental up $1 and noticed that 5 fewer cars were rented. Assume this trend is linear. At what rate should Mr. Broom set his daily car rentals to maximize his revenue? What is his maximum income based on this rate