The elasticity of a product's supply measures the volatility in the number of products supplied by producers prior to changes in key elements of production.
To know the answer we first need to go through the concept of price elasticity.
What is price elasticity and how to calculate it?
The price elasticity of a product's supply is determined as the quotient of differences in the quantity given to the market by producers and variances in the market price of that commodity.
Green tea has a price elasticity of 67 percent in this situation. The calculation is carried out as follows:
E (%) = (S2-S1) / (P2-P1) = (5-3) / (7-4) = 2/3 = 67%
Thus option 2 is correct Because this value is smaller than one, green tea is said to be inelastic in terms of supply in relation to market price.
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