Last year, the taxes for small enterprises, was a minimum of 28 dollars for every 5000 dollars of revenue. Tax rates were revised this year to a minimum tax of 2.5 dollars for every 1500 dollars of revenue. By approximately what percent did the ratio of tax to revenue decrease from the previous charge?
Select the correct option:  A) 70  B) 69  C) 71  D) 66  E) 72
Initial tax/revenue ratio = 28/5000 = 84/15000   Revised charge/transaction ratio = 2.5/1500 = 25/15000   70nswer: 70
<result>A</result>
Last year, the taxes for small enterprises, was a minimum of 28 dollars for every 5000 dollars of revenue. Tax rates were revised this year to a minimum tax of 2.5 dollars for every 1500 dollars of revenue. By approximately what percent did the ratio of tax to revenue decrease from the previous charge?