Refer to the information provided in Figure 18.4 below to answer the questions that follow. 
Figure 18.4
-Refer to Figure 18.4. The domestic price of a leather wallet is $20. With free trade the price of a leather wallet is $10 and after a tariff is imposed the price is $15. After the tariff is imposed, ________ revenue in this country will be $500.
Definitions:
Profit-Maximizing Condition
The state in which a firm's marginal cost is equal to its marginal revenue, aiming to achieve the highest possible profit.
Marginal Revenue Product
The increased earnings from adding one more unit of a resource used in production, such as capital or labor.
Marginal Revenue Product
The extra income created from the use of one additional unit of a production resource or input.
Acres
A unit of land area used in the imperial and US customary systems, equivalent to 4,840 square yards or approximately 4,047 square meters.
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