Salvador has stated the following certain equivalents for the deals shown: Assuming that he follows the five Rules of Actional Thought, what can we say about his certain equivalent (C£) for the...

Salvador has stated the following certain equivalents for the deals shown:

Assuming that he follows the five Rules of Actional Thought, what can we say about his certain equivalent (C£) for the following deal?

a. $30 <>

b. $50 <>

c. $60

d. There is not enough information to decide.