Answer the following questions based on the information in the table. Assume a tax rate of $30$ percent. For simplicity, assume that the companies have no other liabilities other than the debt shown. $($All dollars are in millions.$)$

Atlantic Corporation Paci$$c Corporation

Earnings before interest and taxes $ $430$ $ $510$

Debt $($at $7\%$ interest$)$ $ $290$ $ $1,530$

Equity $ $950$ $ $370$

a$.$ Calculate each company$$s ROE, ROA, and ROIC