(s thousands) Sales Cost of goods sold Gross profit Operating expenses Net income HAROUN COMPANY Comparative Income Statements For Years Ended December 31, 2021-2015 2821 $ 2,649 2020 $ 2,320 2019 $ 2,111 2018 2017 2016. 2015 $1,935 $ 1,805 $1,679 $1,376 1,905 1,550 1,333 1,167 1,084 1,014 808 744 770 778 768 721 665 568 566 $178 443 406 299 260 256 213 $ 327 $ 372 $ 469 $ 461 $409 $355 HAROUN COMPANY Comparative Year-End Balance Sheets December 31, 2021-2015 Assets Cash ($ thousands) Accounts receivable, net Merchandise inventory Other current assets 2021 2020 2019 2018 2017 2016. 2015 $82 587 $108 $112 $114 $119 $117 $121 616 558 428 377 357 252 2,122 54 1,545 1,350 1,137 1,021 868 629 49 30 54 46 46 24 Long-term investments: 0 167 167 167 167 Plant assets, net 2,596 Total assets $5,441 2,586 $ 4,904 2,262 1,277 1,319 $ 4,312 $ 3,177 $ 3,049 1,173 $ 2,728 1,007 $2,200 Liabilities and Equity Current Liabilities 1,367 $ 1,150 $ 754 $ 627 $ 544 $515 $332 Long-term Liabilities 1,461 Common stock Other paid-in capital 990 248 1,272 998 248 1,238 575 587 636 477 990 880 880 770 770 248 220 220 193 193 Retained earnings Total liabilities and equity 1,375 $ 5,441 1,244 1,082 875 818 614 428 $ 4,904 $ 4,312 $3,177 $ 3,049 $ 2,728 $2,200 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? (d) Did inventory increase over this period?