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- This topic has 2 replies, 2 voices, and was last updated 13 years ago by  Vipin . Vipin .
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- June 21, 2012 at 4:53 am #53599A company uses standard marginal costing. Last month the standard contribution on actual sales was $10,000 and the following variances arose: Total variable costs variance 2,000 Adverse 
 Sales price variance 500 Favourable
 Sales volume contribution variance 1,000 Adverse
 What was the actual contribution for last month?
 A $7,000
 B $7,500
 C $8,000
 D $8,500June 21, 2012 at 4:54 am #101575I need the concept of this question. please answer. June 21, 2012 at 6:40 am #101576sales price=variable cost+contribution then we could say, 
 sales price variance=variable cost variance+change in contribution500=2000+actual contribution-std contribution 
 -1500=actual contribution-10,000
 actual contribution=10000-1500=8500.you wont find the above formula in ur text book. 
 but, this is the concept they use in text booksales price variance (F) indicates an increase . variable cost variance (A) indicates an increase. text book method, 
 take standard contribution on actual sales first and then
 10000
 +500(f)
 -2000(a)
 you would get actual contribution on actual sales.if you have std contribution then add all fav variance subtract all adv variance except sales volume contribution variance, you would get actual contribution on actual sales. 
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