A large electronic retailer is considering the purchase of software that will minimize shipping expenses in its supply chain network. This software, including installation and training, would be a $$9-$million investment for the retailer. If the firm's effective interest rate is $18\%$ per year and the life of the software is five years, what annual savings in shipping expenses must there be to justify the purchase of the schware?

Click the icon to view the interest and annuity table for discrete compounding when $i=18\%$ per year.

The annual savings in shipping expenses are $ million. $($Round to three decimal places.$)$