Question 1 The AF PolyU Company manufactures two modular types of doors: one for the residential market, and the other for the ofce market. Budgeted and actual operating data for the year 201 8 are: Static Budget Residential Ofce Total Number of chairs sold 260,000 140,000 400,000 Contribution margin $26,000,000 $1 1 ,200 ,000 $37 ,200 ,000 Actual Results Residential Ofce Total Number of chairs sold 248,400 165,600 414,000 Contribution margin $22,356,000 $13,248,000 $35,604,000 Required: Compute the following variances in terms of contribution margin: a. Compute the total static-budget variance, the total exible-budget variance, and the total sales-volume variance. (5 marks) b. Compute the sale-mix variance and the sales-quantity variance by type of chair, and in total