QUESTION 3 Big Burger Caf is about to build a new restaurant. An architect has developed three (3) building designs, each with a different seating capacity. Big Burger Caf estimates that the average number of customers per hour will be 80, 100 or 120 with respective probabilities of 0.4, 0.2, and 0.4. Payoff table: Average number of customers per hour 80 100 120 Design A R10 000 R14 000 R17 000 Design B R12 000 R14 000 R18 000 Design C R8 000 R12 000 R16 000 Construct a decision tree that considers all three (3) alternative designs. (6) 3.1 (6)