This document presents a group presentation on labor costs given by 11 group members to their lecturer. It discusses the objectives of the presentation which are to define labor cost and its types, provide simple formulas to calculate labor cost, explain labor cost percentage formulas, discuss how to organize and control labor costs, and explain idle time costs and overtime costs. It then provides details on direct and indirect labor costs, formulas to calculate labor cost, how to account for and control labor costs, causes and treatments of idle time, disadvantages and treatments of overtime, and examples of calculating direct labor costs and manufacturing overhead costs.