Keeping all other data the same in the original example, change the Total Rental Cost and Other Data inputs in your worksheet to match the information below: Required: 2a. What is the total cost and averago cost per person if 80% of the membership attends and if all members attend the party? (Round your Average Cost to 2 decimal places.) 2b. What is the total cost of the party if all members and their spouses attend? Based on the Club's current budget, who should be invited to the party