A regressive tax is that tax rate that Nikki will pay on the purchase on the new house and new furniture.
This refers to a tax for which the percentage of income paid in taxes decreases as income increases.
These tax type are paid regardless of income such as the sales taxes, sin taxes, and property taxes.
Therefore, the regressive tax is that tax rate that Nikki will pay on the purchase on the new house and new furniture.
Read more about regressive tax
brainly.com/question/2214317
#SPJ1