Answer:
The correct answer is -0.2.
Explanation:
According to the scenario, the given data are as follows:
When rate = $1.50
Hot dogs sold at $1.50 = 500 units
And When rate = $1.35
Hot dogs sold at $1.35 = 510 units
So, we can calculate the price elasticity by using following formula:
Price elasticity = (%change in quantity ) ÷ ( %change in price )
Where, %change in quantity = (( 510 - 500 ) × 100) ÷ 500
= 1,000 ÷ 500
= 2
and %change in price = ((1.35 - 1.50 ) × 100) ÷ 1.50
= (-10)
So, by putting the value:
Price elasticity = 2 ÷ (-10)
= -0.2
Hence, the price elasticity of demand for hot dogs is -0.2.