The table below provides sales and marketing data for four product lines. A marketing manager claims that the 'Widgets' product line generates more revenue in the East region than the 'Gadgets' product line generates in the West region. Based on the data, is this claim accurate, and by how much does the higher revenue exceed the lower revenue?
| Region | Product | Units Sold | Price per Unit ($) |
| :--- | :--- | :--- | :--- |
| North | Widgets | 2,500 | 40 |
| South | Gadgets | 4,000 | 30 |
| East | Widgets | 3,000 | 40 |
| West | Gadgets | 3,500 | 30 |
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A
Inaccurate; West Gadgets revenue is higher by $5,000.
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B
Accurate; the difference is $15,000.
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C
Accurate; the difference is $20,000.
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D
Inaccurate; East Widgets revenue is lower by $15,000.