Gloom Manufacturing produces designer handbags and has the capacity to produce $50,000$

handbags per year. Currently, Gloom produces $40,000$ handbags and is thinking about increasing

production to $45,000$ units next year. What is the most likely behavior of total manufacturing costs

and unit manufacturing costs given this change?

Total manufacturing costs will increase and unit manufacturing costs will stay the same

Total manufacturing costs will stay the same and unit manufacturing costs will stay the same

Total manufacturing costs will increase and unit manufacturing costs will decrease

Total manufacturing costs will increase and unit manufacturing costs will also increase