Answer:
The question is incomplete
Choose one correct answer from the following;
a.the demand for trees is inelastic.
b. total revenue to tree producers rose this year.
c. consumers bought the same number of Christmas trees this year as last year.
d.the price of the Christmas trees stayed the same.
e.the demand for trees is unit elastic.
The answer is e.the demand for trees is unit elastic.
Explanation:
Price elasticity of demand =( (25-30)/30 *100)/ 1680-1400/1400 *100)=1.2