1. Assuming Cruise Company can purchase 6,000 units of the part from Suri Company for $13 each, and the facilities currently used to make the part could be rented out to another manufacturer for $24,000 a year, what should Cruise Company do?
   1. Make the part and save $6.00 per unit.
   2. Make the part and save $2.00 per unit.
   3. Buy the part and save $2.00 per unit.
   4. Buy the part and save $4.00 per unit.