Operations Management help needed. please check your work, provide explanation if possible. if it's right I'll give you a like.

Michael's Mechanic performs various services for vehicles brought to his shop. The steps required to complete an oil change for one vehicle are listed below. The unplug and drain oil and replace oil filter processes occur simultaneously. Assuming the shop is open 12 hours per day and 6 days per week. What is the cycle time (Flow time) for an oil change in minutes (ie how long does the oil change take form beginning to end)