Total Maintenance Dept. cost assigned to Dept. A for the year equals: $495,000.
Using this formula
Total maintenance cost=(Actual machine hours× Variable cost rate per machine hour)+ (Fixed cost× % of maintenance dept)
Let plug in the formula
Total maintenance cost=(75,000 × $5) + ($400,000 × 30%)
Total maintenance cost =$375,000+$120,000
Total maintenance cost=$495,000
Therefore Total Maintenance Dept. cost assigned to Dept. A for the year equals: $495,000.
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