Question 22 (2 points) The cost to produce Part A was $20 per unit in 2012. During 2013, it has increased to $23 per unit. In 2013, Supplier Company has offered to supply Part A for $18 per unit. For the make-or-buy decision, 0 a) incremental costs are $3 per unit. b) net relevant costs are $3 per unit. c) incrementa d) differential costs are $5 per unit. I revenues are $5 per unit. Save