Explain the answer please

ACC522 Correct! Question: XIAN Manufacturing produces a unique valve, and has the capacity to produce 50.000 valves annually Currently XIAN produces 40,000 valves and is thinking about increasing production to 45.000 valves next year What is the most key behavior of total manufacturing costs and unit manufacturing costs given this change? Correct Answer Total manufacturing costs will increase and unit manufacturing costs wil decrease CK db 100