what is chipotles TIE (times interest earned) and ROIC (return on invested capital)

Chipotle recently reported the following information: Total Assets $5,986.90 million Accounts payable & Accruals $438.5 million Tax 21.00% BEP 14.00% ROA 8.00% Chipotles tax rate is 214. Chipotle finances with only debt and common equity, so it has no preferred stock, Chipotle's basic earning power (BEP) is 14.00 and its return on assets (ROA) is 8.000