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1. Use a formula to calculate the percentage of expenses for the 2013 summer budget that was spent on rent for the event. Write the formula you used and the percentage you calculated, to two decimal places, in the cell below. Hint: Use order of operations principles for the formula. (5 points)
2. A closer estimate of the total cost can be made by including the estimated sales tax. Use a formula to calculate the estimated cost for July 2014 using 7% sales tax. Then, write the formula you used and the estimated cost in the cell below. Hint: Convert 7% into a decimal for the formula. (5 points)
3. Current data can be used to predict future costs. Based on the budget for the last three summers, predict the amount of money that will be sponsored for each event in 2015. Write your prediction in the cell below, and explain how you arrived at your conclusion. Be sure to use currency formatting for the monetary amount. (5 points)
4. Based on the budget for the last three summers, predict the website hosting fee for August 2015. Write your prediction in cell A21, and explain how you arrived at your conclusion in cell A22. Be sure to use currency formatting for the monetary amount in cell A21. (5 points)
