Muppet Laboratories produces a product called Happiness Vitamin Supplement. This supplement is manufactured with a mix of four ingredients. Happiness Vitamins are produced in batches of 500 at a cost of $72.50 per batch. The standard mix of ingredients for a batch is as follows: Ingredient Standard input quantity Standard price/gram Total cost (grams) Frog Laugh 100 $0.100 $ 10.00 Pig Mirth 50 $0.425 $ 21.25 Bear Jokes 125 $0.300 $ 37.50 Gonzo Mix 25 $0.150 $ 3.75 300 $ 72.50 The following shows the actual costs of production for the last year, when 150 batches of Happiness Vitamins were produced: Ingredient Quantity purchased Total purchase cost Quantity used (grams) (grams) Frog Laugh 12,500 $ 1,341 13,300 Pig Mirth 6,500 $ 3,120 6,400 Bear Jokes 20,000 $ 5,840 18,900 Gonzo Mix 3.750 $ 555 3,570 42.750 $ 10,856 42,170 Required: Calculate direct materials price, quantity, mix and yield variances