4. Alyaa's book shop Ltd sold 4500 units in the last financial year ending 31 December 2019. The selling price was 9 aed per book. All boxes cost the company 4 ead each. Calculate the gross profit. Ensure you show all your calculations. * (2 points) Enter your answer 5. Hamda's Dance shop Ltd sold 6000 dresses in the last financial year ending 31 December 2020. The selling price was 750 aed per dress. Cost of goods sold was 230 aed for each dress. Calculate the gross profit. Ensure you show all your calculations. * (2 points) Enter your answer 6. Maitha's Cake and flower shop has just opened in Dubai. She sells 2500 roses a month. She sells each rose for 12 aed. It costs her 4 aed to purchase each rose. Calculate her gross profit for the month. Ensure you show all your calculations. (2 Points)