Which of the following statements are True?

a$.$

A non$-$controlling interest in other firm$$s equity is non$-$operating assets and need to be added to DCF results in order to obtain the value of the enterprise

b$.$

Contingent Liabilities need to be added to Value of Operating assets to obtain the Value of Equity

c$.$

In the free cash flow to Firm model $($FCFF$),$ the intrinsic value of a share of stock is calculated as the present value of future expected FCFF minus capital investment

d$.$

FCFF should be discounted by cost of equity; FCFE should be discounted by WACC