If a cell is less than or equal to a specific value

Cell Reference to Test:
Less than or equal to this specific value:
Value if less than or equal to a specific value:
if the value that you want returned is a text value, you will need to include the quotation marks around the value. However, if you want to return a numeric value or referencing to a cell then there is no need to include the quotation marks.
Value if greater than a specific value:
if the value that you want returned is a text value, you will need to include the quotation marks around the value. However, if you want to return a numeric value or referencing to a cell then there is no need to include the quotation marks.
Formula:

=IF(C8<=$C$5,"Yes","No")
=IF(C8<=$C$5,"Yes","No")