On January 1, 2021, Casselberry Retailers had inventory of $49500. On December 31, 2021, total inventory on hand was $66.600 Casselberry reported the following account balances on December 31 Freight in $3,300 Purchases 509.200 Purchase returns and allowances 700 Purchase discounts 6.200 Sales 841.100 Sales discounts 3,700 Sales returns and allowances 10.200 Calculate Casselberry Retailers 2021 gross pront. Gross profit $ e Textbook and Media Calculate Casselberry Retailers 2021 operating expenses it profit is $129,000 and there are no non-operating activities, Operating expenses $ e Textbook and Media