Chegg, can you show me step by step how you arrive at the answers. Thank you.

Cost-Based Pricing and Markups with Variable Costs Compu Services provides computerized inventory consulting. The office and computer expenses are $625,000 annually and are not assigned to specific jobs. The consulting hours available for the year total 20,000, and the average consulting hour has $30 of variable costs. (a) If the company desires a profit of $100,000, what should it charge per hour? Round to the nearest cent. $ (b) What is the markup on variable costs if the desired profit is $150,000? Round to the nearest whole percent. % (c) If the desired profit is $60,000, what is the markup on variable costs to cover (1) unassigned costs and (2) desired profit? Round to the nearest whole percent. Markup to cover unassigned costs % Markup to cover desired profits %