Ex-4. Michael Berns and Liza Horne are partners providing consulting services to business and government. They employ a number of consultants who are paid $40 per hour. Fixed cost is $25,000 per month. All consulting services are billed to clients at $60 per hour. The company has negotiated a 10% increase in hourly salary for its employees starting June 1. It is budgeting 1,800 hours will be billed to clients during the month of June. Fixed costs are expected to remain unchanged. The company wants to earn a pre-tax profit of 20% of revenues. Required: 1. Calculate the break-even point for the current operation in hours ad in dollars. 2. Calculate the hourly fee in whole dollar that the company has to charge starting June in order to meet its target profit assuming actual hours billed equals budgeted hours billed. Calculate the new break-even point in hours and in dollars using the billing rate computed in no. 2. 4. Without prejudice to your answer in no. 3, assume that the break-even point for June is 990 hours. Calculate the margin of safety for June operations