A deli manager wants to raise the price of the pastrami sandwich by 25%. From past experience, the manager knows that demand for the sandwich drops...

A deli manager wants to raise the price of the pastrami sandwich by 25%. From past experience, the manager knows that demand for the sandwich drops around 10% when prices increase by 25%. Create a Microsoft Excel spreadsheet to perform what if calculation. If the current price of the pastrami sandwich is €3.75 and the average number of pastrami sandwiches sold per day is 57, how much more or less will the deli earn if the manager raises the price?