An analyst has started preparing a spreadsheet as shown below. Column A contains the headings for various parameters and Column B contains the analyst$$s range names to be used in Excel.

A B

$1$ Price per Unit Price per Unit

$2$ Cost per Unit Cost$\_$Per$\_$Unit

$3$ Profit per Unit Profit per Unit

$4$

$5$ Fixed Costs Fixed$\_$Costs

$6$ Variable Costs Variable$\_$Costs

Label each of the following range names as $$Correct$$ if is a valid range name in Excel or $$Incorrect$$ if the range name is not valid for use in Excel.