Determine the formula being used to calculate the inflation-adjusted price in cell D5. Excel spreadsheet screenshot with columns A through D and rows 1 through 6. Column heads are A for Year, B for Product Z, C for Price Index, and D for Inflation adjusted price (base year 2014). Year rows read across as follows: 2014, 65, 51.9, 128.75; 2015, 88, 70.2, 128.87; 2016, 122, 97.5, 128.63; 2017, 135, 108.5, 127.91; 2018, 128, 102.8, 128.00. Determine the formula being used to calculate the inflation-adjusted price in cell D5. Excel spreadsheet screenshot with columns A through D and rows 1 through 6. Column heads are A for Year, B for Product Z, C for Price Index, and D for Inflation adjusted price (base year 2014). Year rows read across as follows: 2014, 65, 51.9, 128.75; 2015, 88, 70.2, 128.87; 2016, 122, 97.5, 128.63; 2017, 135, 108.5, 127.91; 2018, 128, 102.8, 128.00. =C5*C5/B6 =C5*B5/C6 =B5*C5/C6 =B5*C6/C5