Assumes that Pizza Hut faces financial difficulties due to the lockdown policy. The CEO observed that the menu is not a problem, but the delivery. Based on the CEO observation, there are three mode of pizza transportation: (1) using e-hailing services (GRAB/FOOD PANDA/LYFT) charges, (2) using their own pizza hut delivery, and (3) Using drive-through. The findings from CEO observation show that the longer the delovery time affects their sales. The CEO seeks help from you for several matters, which are:

(i) Which research design technique is the best to reveal the best transporation made in pizza delivery. Elaborate about it. (2 m)

(ii) The anecdotal evidence from CEO is that ''longer pizza delivery time reduces the sales''. Elaborate about this statments using the evidence of causakity. (4 m)

(i) Create one question for the customer to measure their satisfaction towards the time taken of pizza delivery, using (1) senabtic differential and (2) category scalel, separately. (2 m)

(ii) Create one question for the customer to measure their satisfaction towards the time taken of pizza delivery, using (1) double-barrel and (2) leading question, separately. (2 m)