The buyer at ABC wants to perform a break-even analysis on an item with a known supplier. The supplier's fixed overhead costs are US$3,000, and the variable costs per unit are US$6 to produce a lot of 900 units. The purchase price is US$10 per unit. 

(a) What is the total cost to the supplier? Answer: _________. 

b) What is the unit cost to the supplier? Answer: _________. 

(c) What is the break-even quantity? Answer: ________. 

(d) What is the break-even revenue? Answer: ________. 

(e) What is the supplier's expected profit? Answer: ________