Current Attempt in Progress Selected data (in thousands) from the statement of income of Richetti Inc. are shown below. Using vertical analysis, calculate the percentage of the base amount for each year. (Round answers to 1 decimal place, 3.3. 5.2%.) 2021 2020 Amount Percentage Amount Percentage Sales $1,933 A $2,058 A % % Cost of goods sold 1,604 1,685 Gross prot 329 A 373 A . % % Operating expenses 218 209 % % Income before income tax 111 164 Income tax expense 22 A 33 A % % Net income $89 $131