Answer:
March 1,
DR Accounts Receivable - Amelia $30,200
CR Sales revenue $30,200
March 6,
DR Sales return and allowances $900
CR Accounts Receivable $900
March 11,
DR Cash $28,714
DR Sales discounts $586
CR Accounts Receivable - Amelia $29,300
Workings
Sales Discounts - 2/10 net 45 means a disount of 10% if Amelia pays within 45 days. She did.
= 29,300 * 2%
= $586