Answer:
The correct answer is: 70%.
Explanation:
According to the information in the case:
The percentage of the tax burden on the supplier is calculated in the following way:
[tex]Tax burden on the supplier = \frac{Elasticity of demand}{Elasticity of supply + Elasticity of demand} x 100[/tex]
[tex]Tax burden on the supplier = \frac{0.7}{0.3 + 0.7} x 100 = 70[/tex]
Therefore, the tax burden on the supplier is 70%.