Answer:
15%
Explanation:
The formula and the calculation of the price elasticity of supply are presented below:
Price elasticity of supply = (Percentage change in quantity supplied ÷ percentage change in price)
where,
Price elasticity of supply = 2
And, the percentage change in quantity supplied is 30%
So, the percentage change in price is
= 30% ÷ 2
= 15%