The Results of a Least Squares Regression to Separate the Monthly

The results of a least squares regression to separate the monthly utilities cost into its fixed and variable components were as follows: ​
Y = 5,472 + .036 X
X = the number of units produced
R² = .735
​
Which of the following statements is not true of the cost model?

A) Y represents the total semi-variable cost.
B) The total monthly fixed utilities costs are $5,472.
C) Y is referred to as the independent variable.
D) The equation would be represented as a straight line on a graph.