Help with 1-4

20% of staff members are vacation and sick time...

Facts: The W Company Civil Engineers consists of two divisions. The divisions are Water and Waste Water. The company sells engineering services to various customers. The following are the bill rates for the various staff classifications: Vice President $200/hour Senior Engineer $180/hour Staff Engineer $150/hour. The two divisions expect to bill the following hours: water. 10000 hours, vice president at 10% of the time, 30% of Senior Engineer time and remaining to Staff Engineers. waste water-6000 hours, vice president at 20% of the time, 20% of Senior Engineer time and remaining to Staff Engineers. The Direct Labor costs per hours are as follows: Vice President $80/hour Senior Engineer $60/hour Staff Engineer $40/hour