2.(TCO B)Here is some data onthe demand for marshmallows:PriceQuantity$10100$830

2.(TCO B)Here is some data onthe demand for marshmallows:PriceQuantity$10100$8300$6700$41300$ 22200(a.) (15 points) Is demand elastic or inelastic in the $4-$6 pricerange? How do you know?(b.) (15 points) If the table represents the demand faced by amonopoly firm then what is that firms marginal revenue as itincreases output from 100 units to 300 units? Show all work. (Becareful here!)(Points : 30)