Refer the following table.

Airspace Technologies Inc.
Comparative Balance Sheet Information
November 30
(millions of $)
	2020		2019		2018
Cash	$	68	$	19	$	31
Accounts receivable (net)		117		55		43
Inventory		199		235		195
Prepaid rent		79		43		31
Plant and equipment (net)		790		803		823
Accounts payable		103		60		50
Accrued liabilities		91		127		84
Income tax payable		24		12		19
Preferred shares		127		127		127
Common shares		247		247		247
Retained earnings		605		561		603

Airspace Technologies Inc.
Income Statement
For Year Ended November 30
(millions of $)
	2020			2019
Net sales	$	1,340		$	1,124
Cost of goods sold		491			419
Gross profit	$	849		$	705
Operating expenses:
Depreciation expense	$	62		$	62
Other expenses		494			338
Total operating expenses		556			400
Profit from operations	$	293		$	305
Interest expense		31			21
Income tax expense		38			40
Profit	$	224		$	244

Required: Calculate Airspaces liquidity and efficiency ratios for 2020 and 2019. (Round the final answers to 2 decimal places. Use 365 days a year.)

Analysis Component: Identify whether the change in each ratio from 2019 to 2020 was favourable or unfavourable.