Selected comparative financial statements of Haroun Company follow.

HAROUN COMPANY
Comparative Income Statements
For Years Ended December 31, 20212015
($ thousands)	2021	2020	2019	2018	2017	2016	2015
Sales	$ 2,206	$ 1,932	$ 1,758	$ 1,611	$ 1,504	$ 1,398	$ 1,146
Cost of goods sold	1,587	1,291	1,110	972	903	845	673
Gross profit	619	641	648	639	601	553	473
Operating expenses	473	370	339	250	217	214	178
Net income	$ 146	$ 271	$ 309	$ 389	$ 384	$ 339	$ 295

HAROUN COMPANY
Comparative Year-End Balance Sheets
December 31, 20212015
($ thousands)	2021	2020	2019	2018	2017	2016	2015
Assets
Cash	$ 104	$ 137	$ 143	$ 146	$ 151	$ 149	$ 154
Accounts receivable, net	746	784	710	544	479	454	320
Merchandise inventory	2,700	1,966	1,718	1,447	1,300	1,104	801
Other current assets	69	62	38	69	58	59	31
Long-term investments	0	0	0	213	213	213	213
Plant assets, net	3,305	3,292	2,879	1,624	1,680	1,493	1,281
Total assets	$ 6,924	$ 6,241	$ 5,488	$ 4,043	$ 3,881	$ 3,472	$ 2,800
Liabilities and Equity
Current liabilities	1,742	$ 1,465	$ 961	$ 799	$ 694	$ 656	$ 423
Long-term liabilities	1,862	1,622	1,578	733	748	810	608
Common stock	1,260	1,260	1,260	1,120	1,120	980	980
Other paid-in capital	315	315	315	280	280	245	245
Retained earnings	1,745	1,579	1,374	1,111	1,039	781	544
Total liabilities and equity	$ 6,924	$ 6,241	$ 5,488	$ 4,043	$ 3,881	$ 3,472	$ 2,800

Required: 1. Complete the below table to calculate the trend percents for all components of both statements using 2015 as the base year. 2. Refer to the results from part 1. (a) Did sales grow steadily over this period? (b) Did net income as a percent of sales grow over the past four years? (c) Did inventory increase over this period?