The Following Questions Are Based on This Problem and Accompanying $\le$

The following questions are based on this problem and accompanying Excel windows.
The Byte computer company produces two models of computers, Plain and Fancy. It wants to plan how many computers to produce next month to maximize profits. Producing these computers requires wiring, assembly and inspection time. Each computer produces a certain level of profits but faces only a limited demand. There are also a limited number of wiring, assembly and inspection hours available in each month. The data for this problem is summarized in the following table.
-Refer to Exhibit 3.2. Which of the following statements will represent the constraint for just assembly hours?

A) B4:C4 $\le$ B5:C5
B) D9 $\le$ E9
C) D8:D10 $\le$ E8:E10
D) E8:E10 $\le$ D8:D10