Suppose an assignment problem, where there are 4 employees who must perform four different tasks. The times in hours) that employees take to perform each of the tasks are shown below. Obviously, every employee must perform a task. All employees are paid exactly the same hourly wage. Task1 Task2 Task3 Task4 Employee1 15 29 4 12 Employee 18 37 12 31 Employee3 9 13 31 28 Employee4 26 29 13 36 Determine the minimum number of hours that the company must pay for the completion of all tasks