La Kamisote manufactures t-shirts and design them with custom designs for retail sale on the premises. Several costs incurred by the company are listed below. For each cost, indicate which of the following classifications best describes the cost. More than one classification may apply to the same cost item. -Variable -Fixed -Period -Product -Administrative -Selling --Manufacturing -Research and Development -Direct Material -Direct Labor -Manufacturing overhead A. Wages of the employee who repair the firm's sewing machines B. Wages of t-shirt designers and painters C. Cost of electricity used in the sewing department D. Cost of fabric used in t-shirts E. Cost of new sign in front of retail store F. Wages of shirtmakers G. Cost of daily advertisement on local media H. Depreciation on sewing machine I. Wages of sales personnel J. Rent on part of the building used to make and paint t-shirts K. Cost of repairing aircon in the administrative office L. Wages of designers who experiment with new fabrics, paints and t-shirt designs M. Cost of insurance for the production employees N. Salary of the owner's secretary O. Rent on part of the building used as administrative office