The Finance Charge Disclosure on a Sears Revolving Charge Card $50$

The finance charge disclosure on a Sears Revolving Charge Card statement is shown here. Why do you suppose that the limitation on the $50$ cent finance charge is from $1.00 to $33.33?

A) For balances over $1.00, the interest would be more than $0.50.
B) For balances over $33.33, the interest would be less than $1.00.
C) For balances over $33.33, the interest would be more than $0.50.
D) For balances over $33.33, the interest would be more than $1.00.
E) For balances over $33.33, the interest would be less than $0.50.