Compute the marginal revenue when the price elasticity of demand is ? -0. 10.

Multiple Choice

a) ?3P, meaning marginal revenue is negative and 3 times greater than price.

b) ?9P, meaning marginal revenue is negative and 9 times greater than price.

c) 3P, meaning marginal revenue is positive and 3 times greater than price.

d) 9P, meaning marginal revenue is positive and 9 times greater than price