Express the balance sheet data in trend percents with $2018$ as the base year Crane Corp.

Income Statement

For years ended December $31$

$202020192018$

Sales $$148,000$ $$136,000$ $$118,000$

Cost of goods sold $89,09685,00075,520$

Gross profit from sales $58,90451,00042,480$

Selling expenses $20,89818,76815,576$

Administrative expenses $13,37911,9689,735$

Total operating expenses $34,27730,73625,311$

Income before taxes $24,62720,26417,169$

Income taxes $4,5884,1483,481$

Net income $$20,039$ $$16,116$ $$13,688$