Vinak Ltd produces an article by blending two basic raw materials. It operates a standard-costing system and the following standards have been set for raw materials:

Calculate the following variances:

(a) Material-price variance

(b) Material-usage variance

(c) Material-yield variance

(d) Material-mix variance

(e) Total material-cost variances

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Material Standard Mix Standard Price/kg A 40% Rs.4.00 B 60% Rs. 3.00 The standard loss in processing is 15% during April when the company produced 1,700 kg of finished output. The position of stock and purchases for the month of April is as follows: Material Stock on 1 Stock on 30 April April Purchased During April kg kg kg Cost (Rs.) AB 35 5 800 3,400 B 40 50 50 1,200 3,000