Allison Corporation's current year income from continuing operations before taxes was $1,000,000 before taking the following items into consideration:

bullet	Depreciation was understated by $100,000.
bullet	A strike by the employees of a supplier resulted in a loss of $200,000. This strike was the first such strike that Allison had encountered.
bullet	The inventory at December 31 of the prior year was overstated by $300,000. The inventory at December 31 of the current year was correct.
bullet	A flood in Allison's Houston facility destroyed equipment worth $500,000. The facility had just been rebuilt from damages that occurred in a flood in the prior year.

What was Allison's adjusted income from continuing operations before taxes? (The book says that the answer is $500,00, but I don't udnerstand how to get that answer.) Show all work