Ottoman Energy results for the latest year show sales of $9,850$ million, EBIT$1,970.$amortization $50$ and Tax rate is $30\%.$ The balance sheet shows net working capital $2,200,$ property,plant and equipment $($fixed assets$)800$ and goodwill $2,000$

$23.$ What is NOPAT margin?

$24.$ What are the net assets?

$25.$ What are the net asset turns?

$26.$ What is the invested capital? $

$27.$ Invested capital turns?

$28.$ Do we use ROIC or RONA to grade the business and why?

$29.$ Do we use ROIC or RONA to grade management and why?