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 I_t = units in inventory at the end of period t, P_t = units produced in period t, and D_t = demand in period t, then the company's demand constraint to ensure that demand is met in quarter 2 is

A) D₂ = I₂ - I₁ + P₂.
B) D₂ = I₁ + P₂.
C) D₂ = I₂ + I₁ + P₂.
D) D₂ = I₁ + P₂ - I₂.