Pencil Limited uses an integrated accounting system to record financial transactions. The companys main business is the sale of stationery and textbooks to bookstores academically and leisurely. The financial year-end of the company is on 30 June 2023. The Financial Manager of Pencil Limited provides you with the financial statements and trail balance for the year ended 30 June 2023 during the engagement meeting. She indicates that the budget is readily available for your assessment as well as the financial statements and trial balances. Based on your initial assessment of the financial statements you decide to use a combination of test of details/controls and substantive analytical testing in your audit execution. Required: 2.1 Formulate the analytical procedures you need to perform on the sales of Pencil Limited during the audit.