Tennair Corporation manufactures cooling system components. The company has gathered the following information about two of its customers: Evans Equipment and Rogers Refrigeration. Cost-driver data used by the firm and traceable to Evans and Rogers are: Required: A. Perform a customer profitability analysis for Tennair Compute the gross margin and operating income on transactions related to Evans Equipment and Rogers Refrigeration A. Perform a customer profitability analysis for Tennair. Compute the gross margin and operating income on transactions related to Evans Equipment and Rogers Refrigeration. 8. Compute gross margin as a percentage of sales revenue. Then compute (t) general selling and administrative costs as a percentage of gross margin and (2) total customer-related costs (1.e. costs that arise from sales visits, order taking. and special handing and shipping) as a percentage of gross margin. Note: Round your answers to 2 decimal ploces