8. (15 points) Suppose the relation between the unit price p in dollars and the quantity demanded :1: units of the Acrosonic model F loudspeaker system is given by the equation 3? = 0.04m + 800, 0 S a: S 20, 000. The cost to product 3: units of the loudspeaker is C(32) = 2003: + 300, 000 (3.) Find the prot function H(;v). (b) Compute the marginal prot function l'I'(.1:)