Problem 3 - The following is a list of selected events for Unger Sales and Service for 2021. Unger uses a perpetual inventory system and has a zero inventory balance prior to these transactions. 1) Purchased merchandise on account for $67,000. 2) Sold inventory costing $48,000 for $88,000 on account. 3) Paid transportation-out cost of $1,000 on goods sold. 4) Paid salary expense of $25,000. 5) A count of the inventory revealed that there was $18,500 of inventory on hand at the end of 2015. Required: Answer the following questions based on the above information. a) What was Unger's net income for 2021? b) Compute gross margin and the gross margin percent for 2021. c) What amount of inventory will appear on the balance sheet for 2021? d) Prepare an income statement for 2021.