27.Which day of the week had the highest Profit per Transaction? What was it? 28. Which day of the week had the lowest Profit per Transaction? What was it? 29. Which platform had the highest ROAS (Revenue)? What was it? 30. Which platform had the lowest ROAS (Revenue)? What was it? 31. Which platform had the highest ROAS (Profit)? What was it? 32. Which platform had the lowest ROAS (Profit)? What was it?.