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3)Sentra Inc.
2) Sentra Inc. manufactures three types of graphic calculators: Super Deluxe, Deluxe and Regular.The budgeted data for the last quarter are given below:Selling priceVariable costContributionSales volume inper unitmargin per unitunitsSuper Deluxe$373$181$19210,215Deluxe27010017038,817Regular140806053,118Actual operating data for the last quarter are given below:Selling priceVariable costContributionSales volume inper unitmargin per unitunitsSuper Deluxe$370$175$19512,360Deluxe2809618442,230Regular110763448,410Required:a) Compute the actual and budgeted contribution margins in dollars for each product for thelast quarter.b) Calculate the actual and budgeted sales mixes for the three products for the last quarter.c) Calculate the total sales-volume, sales mix and sales quantity variances for the quarter. Allthe variances are to be computed in terms of contribution margins.