A small town recorded a population of 42000 on 1 January 2024. Every year, the population grows by exactly 1500 residents, with no other changes. Work with the information given to answer the following.
(i) What will be the town’s population on 1 January 2039?
(ii) How many residents in total will have been added to the town during the 15-year period from 1 January 2024 to 1 January 2039 (inclusive)?
(iii) In which calendar year will the population first reach or surpass 60000?