The price charged for access to an uncongested, excludable, non-rivalrous good should be ________ because ________.
◦ positive; consumers receive a positive marginal benefit from consuming the good
◦ zero; it is inefficient to exclude people from consuming this good once it has been supplied
◦ zero; the marginal benefit of the last unit consumed is zero
◦ positive; more than one person can consume this good at the same time
◦ positive; marginal cost and marginal benefit for this good are both positive