a) Assuming occupancy of 70%, what will be the room rate Viola Hotels needs to charge to achieve the required return on investment for a year? Use the Hubbart room rate formula and show calculations. [10 marks] b) What room rate will be needed if occupancy were 80%? Use the Hubbart room rate formula and show calculations. [5 marks] c) Based on the calculations above, explain the benefits of having a higher occupancy rate for Viola Hotels' new plan. Also, state 2 limitations in the Hubbart workings done in part (a) and (b) (150 words