The Richards company has several options to purchase 1200 units of Component X: Supplier A would cost $4000 per order plus $2.50 for each unit ordered. Supplier B would cost $7.00 per unit. Supplier C charges $5.00 per unit, but requires buyers to pay for a minimum of 400 units (even if they need less than 400). If the company chooses the most economical option to source the units, how much will it cost to fill the order