I got partial credit for this one, but im not sure why. Please help explain this one to me?

On March 10, Sugimoto Household Goods sells 2,000 boxes of toothpa to Wong DDS for $6,000. Sugimoto's cost is $1 per box. Payment tern are 1/5,n/30. Shipping terms are FOB Destination. On March 13, Wong returns 100 boxes of toothpaste because it does n have tamper proof packaging. Sugimoto cannot resell this toothpaste a must scrap it (throw it away). Prepare the journal entry for Wong to record the return. DR: CR: Prepare the journal entries for Sugimoto to record the return. DR: CR: DR: CR