PLEASE SOLVE WITH WORKING

Question 4. During the year, Air Company carried out the following transactions: 1) Bought materials for 1,000 (half paid in cash and half on credit). 2) Made 1,040 sales (800 on credit). 3) Paid wages to the shop assistants of (260 in cash). Adjust the trial balance that you prepared for question 4 above. 2/2