An Online Bookseller Uses the Following Schedule to Determine the Shipping

Multiple Choice

An online bookseller uses the following schedule to determine the shipping costs: $$\begin{array} { l l l l } \text { Category } & \text { Books Ordered } & \text { B asic Cost } & \text { Plus per B ook } \\\text { I } & 1 - 3 & \$ 5 & .25 \\\text { II } & 4 - 7 & \$ 7 & .20 \\\text { III } & 8 - 11 & \$ 9 & .15 \\\text { IV } & 12 \text { or more } & \$ 11 & .10\end{array}$$ What is a correct case expression for a category II book order based upon Books Ordered?

A) Case Is < 7
B) Case 4 To 7
C) Case Is 4 To 7
D) Case Between 4 and 7