Sterling Industrial Equipment Inc. is a widely held Canadian corporation that went public 20 years ago. The company trades on the Toronto Stock Exchange (TSX). Sterling is an industrial supply company. Its products include industrial fasteners, heavy-duty power tools, hand tools, power supplies, adhesives and sealants, hydraulic and pneumatic equipment, hoses, safety supplies, welding equipment, and testing equipment. Customers can rent the more expensive hydraulic and pneumatic equipment. These rentals generally range from one day to five weeks. In 20X3 (three years ago), in response to customer demand, Sterling began to sell drilling equipment. This year (20X6), Sterling entered into a longer-term lease of one of its drilling units with one of its regular customers. As the senior accountant at Sterling, you work closely with the company's treasurer and its CFO. You have been asked to help prepare Sterling's December 31, 20X6, financial statements. The unadjusted trial balance as at December 31, 20X6, is as follows: