SDCL § 37-10-5: Computation of cost to retailer--Expenses included.

Cost to the retailer shall mean the basic cost of cigarettes to the retailer plus the cost of doing business by the retailer, as evidenced by the standards and methods of accounting regularly employed by him in his allocation of overhead costs and expenses, paid or incurred, and must include, without limitation, labor, including salaries of executives and officers, rent, depreciation, selling costs, maintenance of equipment, delivery costs, all types of licenses, taxes, insurance, and advertising.