The Titanic Shipbuilding Company has a noncancelable contract to build a small cargo vessel. Construction involves a cash outlay of $$270,000$ at the end of each of the next two years. At the end of the third year, the company will receive payment of $$620,000.$

The company can speed up construction by working an extra shift. In this case, there will be a cash outlay of $$584,000$ at the end of the first year followed by a cash payment of $$620,000$ at the end of the second year. Use the IRR rule to show the $($approximate$)$ range of opportunity costs of capital at which the company should work the extra shift.

Note: Enter your answers as a percent rounded to $2$ decimal places. Enter the smallest percent first.