Revenue Function The management of Lorimar Watch Company has determined that the daily marginal revenue function associated with producing and selling their travel clocks is given by R'(x) = −0.002x + 9 where x denotes the number of units produced and sold and R'(x) is measured in dollars/unit. (a) Determine the revenue function R(x) associated with producing and selling these clocks. R(x) = (b) What is the demand equation that relates the wholesale unit price p with the quantity of travel clocks demanded? p =