show me how to do it, thanks.

Question 6 10 pt Calculate the Tax (in column O) for all properties. It is determined as follows: Sales Tax = Sales Price * Tax Rate Sales Price is in Column J. Tax Rate is determined based on the Square Feet (column C) of the property and is summarized in the look- up table in R16:S20 (under Tax Rate Table). How many properties generated sales tax more than $300? Enter your answer in whole number. (Hint: Use VLOOKUP to find tax rate in the formula above, then use COUNTIF.) ! Question 6 10 pt Calculate the Tax (in column O) for all properties. It is determined as follows: Sales Tax = Sales Price * Tax Rate Sales Price is in Column J. Tax Rate is determined based on the Square Feet (column C) of the property and is summarized in the look- up table in R16:S20 (under Tax Rate Table). How many properties generated sales tax more than $300? Enter your answer in whole number. (Hint: Use VLOOKUP to find tax rate in the formula above, then use COUNTIF.)