1 Required Indicate whether each of the following costs is a product cost or a period (selling and administrative) cost: 12.14 points Event . b. eBook C. Print d. Product costs References e. Goods purchased for resale. Salaries of salespersons. Advertising costs. Transportation-out. Interest on a note payable. Salary of the company president. Transportation-in. Insurance on the office building. Office supplies. Costs incurred to improve the quality of goods available for sale. Period costs f. g. h. i. j