Kokuyo Inc., an exporting firm, expects to earn $20 million if the dollar depreciates, but only $10 million if the dollar appreciates. Assume that the dollar has an equal chance of appreciating or depreciating. Calculate the expected tax of Kokuyo if it is operating in a foreign country that has progressive corporate taxes as shown below:

Corporate income tax rate = 15% for the first $7,500,000.

Corporate income tax rate = 30% for earnings exceeding $7,500,000.