Adrian's Premium Boxing Service subcontracts with a chocolate manufacturer to box premium chocolates for their mail order catalogue business. She rents a small room for $150 a week in the downtown business district that serves as her factory. She can hire workers for $275 a week. Table 13-2 Chocolates Number of Marginal Produced per Product of Cost of Total Cost of Workers Weck Labor Cost of Factory Workers Inputs 0 0 330 150 275 425 630 150 825 975 890 950 60 1.375 10 1.800