Need help! It's for Excel. I just need help on the formulas.

Calculate the number of nights for the first trartsaction. 0 Copy and paste the formula down the column to calculate the days for the other transactions. Calcdate the \"Room Total" for the first transaction. 0 Use an IF function to calculate a 10% discount for any stay greater than or equal to 7. 0 Copy and paste the function down the column to calculate the room total for the other transactions. Calculate the \"Add-0n Total" for the first transaction. 0 Use an IF function with a nested VLOOKUP to calculate the total based on the number of guests and the room type. Use the data in P4:Q6 to lookup the cost based on the room type. The add-on fee is per person per night. Ifthere is no add-on fee display a zero (0) in the cell. Copy and paste the function down the column to calculate the add-on total for the other transactions