Suppose the production function is F(K, L) = KºDBL1-a-ß where K is capi- tal, L is labor and D is land. Capital, land and labor are all supplied inelasti- cally: K, Ū, . Let K = 4, 7 = 1 and I = 1 and a = 0.5, B = 0.1. 1. Set up the firms' profit maximization problem. What is labor demand for the firm? That is, as a function

Acarpenter builds an exterior house wall with a layer of wood 2.9 cm thick on the outside and a layer of styrofoam insulation 2.3 cm thick on the inside wall surface. the wood has k=0.080w/(m⋅k), and the styrofoam has k= 0.010 w/(m⋅k). the interior surface temperature is 19.0 ∘c , and the exterior surface temperature is -15.0 ∘c . a.)what is the temperature at the plane where the wood meets the styrofoam? celsius b.)what is the rate of heat flow per square meter through this wall? /m^2