A Company Is Developing a Linear Programming Model for Its

Multiple Choice

A company is developing a linear programming model for its aggregate production plan. If W_t = workforce size for period t, H_t = number of workers hired for period t, and F_t = number of workers fired for period t, then the company's workforce constraint for period 4 is

A) W₄ = W₃ - H₄ + F₄.
B) W₄ = W₃ + H₄ - F₄.
C) W₄ = W₃ + H₃ - F₃.
D) W₄ = W₃ + H₄.