please anwser both questions as they are one

77 Use the following information to determine the prior year and current year trend percents for net sales percents using the prior year as the base year. 78 Refer to the information in QS 17-7. Determine the prior year and current year common-size percents for mon-size analysis P2 cost of goods sold using net sales as the base, 77 Use the following information to determine the prior year and current year trend percents for net sales percents using the prior year as the base year. 78 Refer to the information in QS 17-7. Determine the prior year and current year common-size percents for mon-size analysis P2 cost of goods sold using net sales as the base