Nov 4 7 9 11 Purchased $5,100 of merchandise on account from Salem Tire. Terms, 2/15, n/45, FOB shipping point. Salem Tire prepaid the $75 shipping cost and added the amount to the invoice. Purchased $100 of supplies on account from Staples Depot. Terms, 2/10, n/30, FOB destination. Sold $1,100 (cost, $400) of merchandise on account to D. Fraser. Terms, 3/15, n/45, FOB destination. Paid $50 freight charges to deliver goods to D. Fraser. 13 Returned $1,300 of the merchandise purchased on November 4 and received a credit. 15 Sold $1,500 (cost, $200) of merchandise to cash customers. 16 Paid for the supplies purchased on November 7. 18 Paid Salem Tire the amount due from the November 4 purchase in full. 20 D. Fraser returned $400 (cost, $200) of merchandise from the November 9 sale. 22 Purchased $3,500 of inventory. Paid cash. 23 Received payment in full from D. Fraser for the November 9 sale. 30 The refund liability for the month of November was estimated to be $200. The cost of goods estimated to be returned was $80.

help  please answer in text form with proper workings and explanation for each and every part and steps with concept and introduction no AI no copy paste remember answer must be in proper format with all working

please help with the question that is attached as a picture. thanks

How would I calculate this problem? I just guessed on which answer made sense to me. Please help. thank you in advance.