Pinnacle Corporation is a manufacturing company operating numerous machines. These require regular maintenance to keep them operational. The fixed portion of maintenance costs are $3,000 per month. Maintenance costs are also incurred at the rate of $5 per setup and $0.50 per unit produced. The company produced 23,000 units in 800 batches during a particular month. What will be the total cost of maintenance for this month?a. $3,000 b. $18,500 c. $7000 d. $11,500