Problem 5-8A Kingbird, 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 2015 through 2018, inclusive Calculate the missing amounts. 2015 2016 2017 2018 Income Statement Data Sales revenue $141,459 (e) $120,041 38,675 Cost of goods sold Gross profit Operating expenses 40,968 98,988 87,045 92,914 77,190 $ 5,125 Net income Balance Sheet Data Inventory Accounts payable Additional Information Purchases of inventory on account Cash payments to suppliers $18,980 s $21,462 8,468 9,490 6,716 37,799 $35,113 35,989