An executive receives an annual salary of P600, 000 and his secretary a salary of P180, 000. A certain task can be performed by the executive working alone in four hours. If he delegates the task to his secretary wit will require him 30 minutes to explain the work a d another 45 minutes to check the work. Due to the unfamiliarity of the secretary to do the task, it takes her an additional time of 6 hours after being instructed. Considering salary cost only, determine the cost of performing the task by each method, if the secretary works 2400 hours a year and the executive 3000 hours a year.

Cost of performing the task:Secretary working with executive

Select one:

a.P937.50

b.P737.50

c.P837.50

d.P637.50