Corp A wishes to acquire the business of Corp T$.$ Corp T stock is worth $$650$ million, and its shareholders

cumulatively have a tax basis of $$300$ million in the Corp T shares. Corp T has no debt, very little cash, and assets with a

cumulative tax basis of $$100$ million. Assume the Corp T shareholders don't want to pay tax on their gain. Which

transactions are available in the following scenarios?

a$.$ Corp $A$ is willing to use only its voting stock to acquire Corp $T$

b$.$ Corp A wants to use its stock to acquire only $80\%$ of Corp T$,$ and pay cash for the rest, and it needs Corp T to

continue in existence $($due to valuable licenses Corp T holds$)$

c$.$ Corp A wants to acquire the assets of Corp T for itself and have Corp T go out of existence

d$.$Corp A wants one of its subsidiaries to acquire the assets of Corp T