Can you please help me? Thank you so much!

The T5 part costs $21 per unit for Hanson to produce. Waugh Company has offered to sell the T5 part for $16 per unit to Hanson. As it pertains to the make-or-buy decision, which statement is true? Net relevant costs are $2 per unit. Incremental costs are $2 per unit. Incremental revenues are $3 per unit. Differential costs are $5 per unit The T5 part costs $21 per unit for Hanson to produce. Waugh Company has offered to sell the T5 part for $16 per unit to Hanson. As it pertains to the make-or-buy decision, which statement is true? Net relevant costs are $2 per unit. Incremental costs are $2 per unit. Incremental revenues are $3 per unit. Differential costs are $5 per unit