Sharpe Knife Company expects sales next year to be $1,640,000 if the economy is strong, $870,000 if the economy is steady, and $640,000 if the economy is weak. Mr. Sharpe believes there is a 40 percent probability the economy will be strong, a 35 percent probability of a steady economy, and a 25 percent probability of a weak economy.

What is the expected level of sales for the next year?