← ECON 101 formulas Export Options Alphabetize Word-Def Delimiter Tab Comma Custom Def-Word Delimiter New Line Semicolon Custom Data Copy and paste the text below. It is read-only. Select All Total Cost (TC) fixed costs + variable costs (FC + VC) Average Total Cost (ATC) total cost/quantity of output marginal product of labor change in total output w/ each additonal worker average product of labor total output/quantity of workers marginal cost change in total cost/change in quantity