Perform a horizontal, common-size analysis of the balance sheet items, using 2017 as the base year (meaning each line item for 2017 is 100%). Also include a horizontal analysis of sales and net income.

Balance Sheet
April 30
(in thousands of dollars)
	2019	2018	2017
Assets:
Current assets	$ 1,700	$1,120	$1,544
Plant and equipment (net)	8,110	7,830	5,404
Other assets	1,004	695	772
Total assets	$10,814	$9,645	$7,720
Liabilities and Stockholders' Equity:
Current liabilities	$ 950	$ 880	$ 772
Long-term liabilities	2,023	1,591	1,544
Capital stock ($10 par)	4,600	4,600	3,000
Paid-in capital in excess of par	770	770	386
Retained earnings	2,471	1,804	2,018
Total liabilities and stockholders' equity	$10,814	$9,645	$7,720

Income Statement
For the Year Ended April 30
(in thousands of dollars)
	2019	2018	2017
Net sales	$38,610	$32,175	$25,740
Cost of sales	25,100	19,950	15,400
Gross profit	$13,510	$12,225	$10,340
Selling expenses	7,700	6,565	5,148
Administrative expenses	4,270	4,175	3,861
Total operating expenses	$11,970	$10,740	$ 9,009
Operating income	$ 1,540	$ 1,485	$ 1,331
Interest expense	115	95	100
Net income before tax	$ 1,425	$ 1,390	$ 1,231
Income taxes	655	645	541
Net income	$ 770	$ 745	$ 690