Which of the following is not a reason standard costs are separated into two components? a.Identifying variances determines which manager must find a solution to major discrepancies. b.If a negative variance is overshadowed by a favorable variance, managers may overlook potential corrections. c. The price and quantity variances need to be identified separately to correct the actual major differences. d. Variances bring attention to discrepancies in the budget and require managers to revise budgets closer to actual results.