(TCO B) Here is some data on the demand for marshmallows:

Here is some data on the demand for marshmallows:Quantity10030070013002200(a.) Is demand elastic or inelastic in the $6-$8 price range? How do you know? (b.) If the table represents the demand faced by a monopoly firm, then what is that firm’s marginal revenue as it increases output from 1300 units to 2200 units? Show all work