please help show the calculations needed to solve the required sections

n format Income statement below 290,000 290,000 04, 400 124.70o 20,000 165, 600 68,000 20, 000 145, 230 68, 000 Varisble 86,000 B6, 000 s 11, 600 c8,770) overhead. the plant's income statement, Ms. Dunn has concluded that the major problem lies in the variable cost of 0.6 hours s 7.70 per hour 3.85 $13.05 pounds of matenals in production. (Finished goods and work in process inventorles are insignificant and can be overhead cost totaling $12,600 for the month. A total of 3,500 mechine-hours was re