The Chair Company manufactures chairs. Budgeted and actual operating data for the past year are: Number of chairs sold Contribution margin Static Budget Home 260,000 $26,000,000 Actual Results Home Office 248,400 $22,356,000 The industry volume for chairs of the type sold by the Chair company had been estimated at 2,600,000. Actual industry volume for the year was 2,200,000 chairs. REQUIRED: a. Compute the sale-mix variance and the sales- quantity variance by type of chair, and in total. (5 points) b. Compute the market-share variance and market-size variances. (Calculate actual and budgeted market share percentages to two decimal places.) (6 points)