Help with this question please

Assume a perfectly competitive industry. The demand curve is Qp = 90 -9 P and the supply curve is Qg = -18 + 9 P . Find producer and consumer surplus. PS = $ CS = $ Suppose that a that a subsidy of $3 per unit is granted to consumers. Find the benefit per unit from the subsidy on consumers and firms, as well as any deadweight loss. (Please round to 2 decimal places) Producer's Benefit per unit = $ Consumer's Benefit per unit = $ DWL = $