all please 18,19 and 20

urgent

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Russel Company is a consulting firm. The firm expects to have $34,400 in indrect costs during the yoar and bil customers for 4,000 hours. The cost of direct labor is 585 par hour, 18. Calculate the predetermined overtead allocation rate for Russel using estimated billable hours for the alocation baso. 19. Russel completed a consulting job for Sam Gulo and billed the customer for 19 hours. What was the total cost of the consulting job? 20. It Russel wants to earn a profit equal to 50% of the cost of a job, how much should the compary charge Me. Gulo