Designer dollhouses manufactures dollhouse kits that are meant to be assembled by customers. each kit sells for $60 and has $12 in fixed production costs and $10 in variable production costs. rather tha selling these kits, the firm is thinking about selling the dollhouses fully assembled for $95 each. the variable costs for assembling one dollhouse are expected to be $14. given these figures, which of the following statements is accurate? a designer should sell dollhouse kits rather than assembled dollhouses because its net income per unit would be $8 higher. b designer should sell assembled dollhouses rather than dollhouse kits because its net income per unit would be $21 higher. designer should sell assembled dollhouses rather than dollhouse kits because its net income per unit would be $43 higher. designer should sell dollhouse kits rather than assembled dollhouses because its net income per unit would be $14 higher.