Which of the following statements is false?

Select one:

a. Accounting profit is a less reliable indicator of value than cash, because it is easier to manipulate reported profit than the amount of cash received.

b. The creation of a non-cash book entry does not affect the value of a firm

c. If a firm reports a profitable year, the shareholders must be wealthier than they were at the start of the year.

d. None of the above

May I ask which statements is false and why, please.

Thank you.