Shamrock, Inc. operates a retail operation that purchases and sells snowmobiles, among other outdoor products. The company purchases all inventory on credit and uses a periodic inventory system. The Accounts Payable account is used for recording inventory purchases only: all other current liabilities are accrued in separate accounts. You are provided with the following selected information for the fiscal years 2020 through 2023, inclusive. Calculate the missing amounts. Income Statement Data Sales revenue Cost of goods sold Gross profit Operating expenses 2020 2021 2022 $103.000 $ 81000 (e) 28840 (a) 74,160 67.980 25,920 55,080 51840 (f) B (b) $3,240 Net income 6180 Balance Sheet Data Inventory $13.800 $ 12,850 (c) $15,900 Accounts payable 6,200 6.900 5,000 Additional Information Purchases of inventory on account Cash payments to suppliers 2023 $76,000 25,840 50160 (i) 48,640 $ 1520 16110 (k) 4500 (1) 27,890 28,970 (8) $26,050 27190 (d) 30870 (h) 26.550 Compute the gross profit rate and the profit margin for each fiscal year. (Round answers to 1 decimal place, e.g. 15.5 %.) Gross profit rate Profit margin 2021 % % 2022 % % 2023 % %