Boswitch Co. manufactures furniture. Identify the following costs as Fixed (F), Variable (V), or Mixed (M). [Select] [Select] Fabric for sofa coverings Legal fees paid to attorneys in defense of the company in a patent infringement suit, $25,000 plus $160 per hour [Select] Salary of production supervisor Cartons used to ship sofas [Select] [Select] Rent on experimental equipment, $50 for every sofa produced [Select] [Select] [Select] Straight-line depreciation on factory equipment Rental costs of warehouse, $30,000 per month Insurance premiums on property, plant, and equipment, $25,000 per year plus $25 per $25,000 of insured value over $16,000,000 [Select] [Select] sofa sold Consulting fee of $120,000 paid to efficiency specialists Salesperson's salary, $80,000 plus 4% of the selling price of each