In the given question, a part of the sentence is printed in bold. Below the sentence, three alternatives to the bold part are given, more than one of which may help improve the sentence. Choose the option that reflects the correct use of the phrase in the context of the sentence. In case the given sentence is correct, your answer is option (E), i.e., “No correction required”.

"I need you to give me a ballparks worth of figures of how much this event is going to cost us in the next two months."
I. give me a ballpark figure of how much this event is going to cost
II. give me the biggest ballpark of your figure, how much this event is going to cost
III. give me a ballpark figure of how much this event is coming to cost