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Stmt I) Warehouse W sold 10 percent more sofas this year than it did last year
No way of knowing the price last year and the price this year so we cannot calculate the revenue increase. This will vary based on the prices.
INSUFF
Stmt II
Warehouse W's selling price per sofa was $30 greater this year than it was last year
No idea on how many sofas were sold last year and this year
INSUFF
Together still insufficient (explaining it in detail BELOW but dont have to do all this in the exam since knowing we dont have the base dollar value to compare the thirty $ increase is sufficient to mark E)
Hypothetical examples
Scenario 1:
Eg: Last year sold 10 sofas for 1$ each REV 10$
This year sold 11 sofas for 31$ each REV 341
Revenue Increase
= 341 - 10 / 10 *100 which will be a huge number
Scenario 2:
Last year sold 10 sofas for 1000$ each REV 10000$
This year sold 11 sofas for 1030 $ $ each REV 11330 $
Revenue Increase
= 11330 - 10000 / 10000 *100 which will be smaller number compared to scenario 1
INSUFF (since we cant get to a single defnite value for Revenue Increase %)
