When analyzing the change in operating$$income$,$ the strategy component of growth$\_\_\_\_\_\_\_\_.$

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Part $1$

A$.$

calculations are similar to the

sellingminus$$price

variance calculations

B$.$

isolates the change attributed solely to an increase in market share

C$.$

isolates the change attributed solely to an increase in industry growth

D$.$

isolates the change attributed solely to an increase in the quantity of units sold