Marin 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 $ 102,703 $ (e) $87,153 Sales revenue