Can you help with exercise using the perpetual method? Thank You in Advance.

Journal using the Perpetual Inventory System.

INSTRUCTIONS: ANALYZE THE FOLLOWING TRANSACTIONS OF PURCHASE AND SALE OF WESTERN BAY, UNDER THE PERPETUAL METHOD. (1) THE COMPANY SELLS $ 80,000 IN CREDIT IN GOODS ACPAC CO, COST OF GOODS IS $ 55,000. (8) THE ACPAC CO BILL IS CHARGED. (9) $ 15,000 IS PURCHASED FROM THE COMPANY INSTALLATIONS TORRES, 2/10, N / 30. (10) $ 25,000 IS SOLD IN GOODS, TO CUSTOMER DIAZ IN CASH. COST OF THE GOODS $ 12,000. (11) $ 600 IS SOLD TO CLIENT MENDEZ, TERMS 1/10, N /30. COST OF GOODS $ 150. (13) PAY FULL FOR THE PURCHASE OF DAY 9. (15) CLIENT'S DAY 11 TRANSACTION IS FULL CHARGED MENDEZ (17) SELL $ 5,000 IN CITY STATIONARY GOODS, TERMS 1/10, N/30, COST OF THE GOODS $ 2,500. (19) CITY STATIONARY RETURNS $ 500 PER DEFECTIVE MERCHANDISE. COST OF MERCHANDISE $ 250. (28) CITY STATIONARY PAYS THE DUE BALANCE (29) $ 500 OF GOODS IS PURCHASED FROM SUSAN FIT, TERMS 1/10, N / 30. (30) $ 100 OF GOODS RETURNED TO SUSAN FIT FOR FAILURE TO COMPLY WITH THE PURCHASE SPECIFICATIONS. (31) THE DUE OF THE DAY'S TRANSACTION IS FULLY PAID 29