Sales for All Aboard, Inc. were $$5,616,400$ last year and $$7,390,000$ this year. The company's cost of goods sold was $$3,514,000$ last year and $$4,680,000$ this year. Gross margin was $$2,102,400$ last year and $$2,710,000$ this year.

By want percent did sales increase compared to last year?

Please round your answer to the nearest whole number and do not include any percent sign $(\%)$ or decimal. Example: $17$