Answer:
The sales tax is regressive with respect to income
Explanation:
sales tax by Jennifer = 0.1*30000
= 3000
tax/income = 3000/50000
= 6%
sales tax by steve = 0.1*27000
= 2700
tax/income = 2700/30000
= 9%
The tax increases with decrease in income, it indeed is regressive on the whole.
Therefore, The sales tax is regressive with respect to income