Assumptions for Case 1: The standard workday is 10 hours. The combination of productive commodities needed to produce dishwashers: 10 tons of steel plus 4 tons of plastic plus 150 labor-powers produce 300 dishwashers. A worker's daily means of subsistence consists of two "Big Macs", one tent, and one pair of shoes. The following values are given: 1 ton of steel 300 hours of SNALT 1 ton of plastic 100 hours of SNALT 1 "Big Mac" 2 hours of SNALT 1 tent 2 hours of SNALT 1 pair of shoes 1 hour of SNALT CATEGORY CASE 1 value of one labor power value created by one labor power value of one dishwasher amount of surplus value extracted per day amount of profit extracted per day rate of surplus-value rate of profit