The following financial statements relate to Techmation Ltd for 2016 and 2017 respectively.

Assets	2016	2017
Non current Assets	1 315 000	1 180 000
Inventory	150 000	170 000
Trade Debtors	525 000	450 000
	1 990 000	1 800 000
Equity & Liabilities
Ordinary share capital	1 000 000	1 000 000
Distributable Reserve	700 000	500 000
Bank Overdraft	80 000	110 000
Trade Creditors	210 000	190 000
	1 900 000	1 800 000

	2016	2017
Sales	1 800 000	1 500 000
Cost of Sales	1 200 000	800 000
Gross Profit	600 000	700 000
Less: Expenditure	150 000	120 000
Profit before interest and Tax	450 000	580 000
Interest	50 000	40 000
Profit before Tax	400 000	540 000
Taxation	120 000	160 000
Net Profit for the year	280 000	380 000

Required: 2.1 Calculate each of the following accounting ratios for both years:

2.1.1 Gross Margin Percentage (3)

2.1.2 Mark-up Percentage (3)

2.1.3 Return on Assets before Interest and Tax (do not use average figures) (3)

2.1.4 Current Ratio (3) 2.1.5 Acid-test Ratio (3)

2.1.6 Return on Equity (do not use average figures) (3)

2.2 Comment on the trends for the following ratios:

2.2.1 Gross margin percentage (3)

2.2.2 Current Ratio (2)

2.2.3 Acid-test ratio (2)