need help filling out the tables

Exercise 9-3 (Algo) Service department expenses allocated to operating departments LO P2 Lucia Company has two service departments: Office and Purchasing. Total expenses for the Office is $25,000 and for Purchasing is $56,200. Expenses for the Office are allocated to operating departments based on sales. Exponses for Purchasing are allocated to operating departments based on purchase orders. Allocate the expenses from (a) the Office and (b) Purchasing to each of the company's three operating departments using the given information