Attitude, Inc. manufactures 100 units of part Z with the following costs per unit: Attitude Inc. has recently learned that it can purchase these 100 units from Device, Inc. for a total cost of $1,500. If the part were bought from Device; $1 per unit of the fixed overhead costs assigned to part Z could be totally eliminated. The unused capacity has no alternative use. Determine whether Attitude Inc. should buy or manufacture the part, and the cost saving from selecting the least-cost alternative