Julia Limited retails homewares, it has six stores in Sydney. 80% of sales are cash sales. The following information relates to actual results for 31.12.2018, 31.12.2019 and 31.12.2020:

	2018 $'000	2019 $'000	2020 $'000
Selected financial performance items:
Total sales	13,800	16,080	25,366
Cost of goods sold (COGS)	6,370	7,370	11,922
Gross Margin %	54%	54%	53%
Selected balance sheet items:
Inventory	1,274	1,322	6,881
Debtors	84	121	277
Creditors	(184)	(220)	(298)
Net Working Capital	1,174	1,223	6,860

Which of the following statements are correct?

1. The control of inventory has improved between 2019 and 2020.
2. Increasing creditor balances each year is an indicator of poor control of working capital management.
3. Creditor days have decreased by approximately 5 days between 2019 and 2020.
4. Debtors collection days have increased between 2019 to 2020.