The Following Information Relates to a Company's Aggregate Production Planning

The following information relates to a company's aggregate production planning activities: Beginning Workforce = 50 workers
Production per Employee = 250 units per quarter
Hiring Cost = $1000 per worker
Firing Cost = $1,500 per worker
Inventory Carrying Cost = $15 per unit per quarter
If a chase demand strategy is used then the total hiring and firing cost of the plan is

A) $340,000.
B) $250,000.
C) $125,000.
D) $90,000.