Marvins Rooms is a new business which started on January 1, 2021 and decided not to register and collect GST until required to do so. Its sales during its first four quarters of operation were as follows:

Quarter Sales

1 $13,000

2 18,000

3 24,000

4 27,000

On what date will Marvins Rooms have to begin collecting GST? Assume the business is open daily and makes at least 1 sale per day. Provide a short explanation supporting your answer.