need help on these questions, please help me. Thank you, I appreciate it

12 Sherman, Inc. manufactures chainsaws that sell for $74. Each chainsaw uses $18 in direct materials and $5 in direct labor per unit. Sherman has two activities: Machining, which is applied at the rate of $5 per machine hour, and Finishing, which is applied at the rate of $29 per batch. This month, Sherman made 290 chainsaws, using 1,015 machine hours in 45 batches. What is the total manufacturing cost for one chainsaw? (Do not round intermediate calculations.) Multiple Choice O $45 $23 $48 $22 10 Jackson, Inc. produces two different products (Product 5 and Product Z) using two different activities: Machining, which uses machine hours as an activity driver, and Inspection, which uses number of batches as an activity driver. The cost of Machining is $135,000, while the cost of Inspection is $41,180. Product 5 uses 33% of total machine hours and 70% of total batches. What is the total Machining cost assigned to Product 5? Multiple Choice $13,589 $27,591 $44,550 $90,450 9 Jefferson, Inc. produces two different products Product 5 and Product Z) using two different activities: Machining, which uses machine hours as an activity driver, and Inspection, which uses number of batches as an activity driver. The cost of Machining is $500,000, while the cost of Inspection is $30,000. The activity drivers are used follows: Machine hours Number of batches Product 5 Product z 1,200 4,800 60 20 Total 6,000 80 What proportion of Machining activity is used by Product Z? Multiple Choice 25% 33% o 90%