please answer shortly, no need to explain

B1. Given the following methods of data collection: I. Interview / Questionnaire II. Experiment III. Observation IV. Statistical publication / Internet Identify which of the above methods is recommended for each of the following scenarios: Scenarios Data Collection Methods (a) The weekly expense that an IVE student spends on lunch. (b) Consumer Council tests on the lifetime of lightbulbs. (c) Rental increment of Housing Authority in 2019. Number of customers coming to a restaurant during every weekend. (d) (e) Energy consumption of various brands of refrigerators. Number of students using the VTC campus swimming pool on Sunday. (6 marks) (Total 6 marks)