Metlock Inc., a fertilizer company based in Alberta, had the following information on its financial statements for the fiscal years ended December 31. All figures are in millions of dollars.

		2022		2021		2020		2019
Net sales		$16,210		$15,759		$16,882		$15,380
Profit		715		1,303		1,498		1,335
Total assets		17,252		15,955		14,378		13,280

a) Calculate Metlock's (1) asset turnover ratio, and (2) return on assets ratio for 2020 through 2022. (Round answers to 2 decimal places, e.g. 52.75.)

		2022			2021			2020
Asset turnover ratio			times			times			times
Return on assets ratio			%			%			%

b)

Determine from the results obtained in part (a) if Metlocks:

(1)		Asset turnover ratio from 2021 to 2022.
(2)		Asset turnover ratio from 2020 to 2021.
(3)		Return on assets ratio from 2021 to 2022.
(4)		Return on assets ratio from 2020 to 2021.

Options for part b) : 1. Stayed the same

2. improved

3. deteriorated