Mr. Speedy: Mr. Speedy is a heating and air conditioning repair business that was established 23 years ago. Today the business revolves around 20 vans that are on the streets, and another four for...

Mr. Speedy: Mr. Speedy is a heating and air conditioning repair business that was established 23 years ago. Today the business revolves around 20 vans that are on the streets, and another four for backup in the shop. The 20 vans are not all out at once as there is day, night and weekend coverage using 32 technicians. Each technician is assigned to a van, and each van has only one or two technicians assigned to it. Determine least cost operations and replacement schedule for Mr. Speedy including depreciation.