a. Suppose that businesses buy a total of $140 billion of the four resources (labor, land, capital, and entrepreneurial ability) from households. If households receive $76 billion in wages, $18 billion in rent, and $28 billion in interest, how much are households paid for providing entrepreneurial ability

Wang distributors has an annual demand for an airport metal detector of 1 comma 350 units. the cost of a typical detector to wang is $400. carrying cost is estimated to be 19% of the unit cost, and the ordering cost is $24 per order. if ping wang, the owner, orders in quantities of 300 or more, he can get a 10% discount on the cost of the detectors. should wang take the quantity discount? \