I need help with (a2).

The financial statements of Apple Inc. are presented in Appendix A. The complete annual report, including the notes to the financial statements, is available at the company's website. Click here to view Appendix A. Answer the following questions. (a1) Determine the percentage change for short-term marketable securities from 2018 to 2019. (Round answer to 1 decimal place, e.g. 15.2.) Short-term marketable securities % List of Accounts Attempts: unlimited (a2) Determine the percentage change for long-term marketable securities from 2018 to 2019. (Round answer to 1 decimal place, e.g. 15.2. Enter negative amounts using either a negative sign preceding the number e.g. 45 or parentheses e.g. (45).)) Long-term marketable securities % The financial statements of Apple Inc. are presented in Appendix A. The complete annual report, including the notes to the financial statements, is available at the company's website. Click here to view Appendix A. Answer the following questions. (a1) Determine the percentage change for short-term marketable securities from 2018 to 2019. (Round answer to 1 decimal place, e.g. 15.2.) Short-term marketable securities % List of Accounts Attempts: unlimited (a2) Determine the percentage change for long-term marketable securities from 2018 to 2019. (Round answer to 1 decimal place, e.g. 15.2. Enter negative amounts using either a negative sign preceding the number e.g. 45 or parentheses e.g. (45).)) Long-term marketable securities %