pls help!!!

regutar time worked up to 480 hours, wth an overtime cost of $20 per hour. Unuted regutar time for certified instructors is paid at 5 is per hour. There is no cost for unused ovnetime capacily. The a. Find a workforce plan using the level strategy that alows for no delay in service. It should reiy only on oversme and the minimum amount of undertine necessary. What is the total cost of the plan? (Enter your response as an integer)