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Computing Materials Cost Variances and Volume Variance Gumchara Corporation reported the following information with respect to the materials required to manufacture amalgam florostats during the current month: Standard price per gram of materials Standard quantity of materials per amalgam florostat 5 grams Actual materials purchased and used in production 6,000 grams Actual amalgam florostats produced during the month 1,000 units Actual cost of materials purchased $18,000 Normal monthly output 900 units a. Determine Gumchara's materials price variance. b. Determine Gumchara's materials quantity variance. c. Will Gumchara's overhead volume variance be favorable or unfavorable? Why