a bicycle manufacturer incurred the following costs in July to manufacture 1,000 units of bicycles:

Direct Materials: $20,000

Direct labor: $5,000

Manufacturing overhead: $15,000

Selling Costs: $20,000

Administrative costs: $10,000

In July, the firm sold 800 bicycles at $100 each.

a. Calculate the inventory cost per bike.

b. Calculate net income (loss) in July.

Please show steps by steps.