In the mid 90's, over _____% of all black families are headed by women.

For a theme park two-tier pricing can include a positive admission price and a zero per-ride fee

Indicate whether the statement is true or false

Assume that product Alpha and product Beta are both priced at $1 per unit and that Ellie has $20 to spend on Alpha and Beta. She buys 8 units of Alpha and 12 units of Beta. The marginal utilities of the last unit of Alpha and Beta that she purchases are 40 utils and 20 utils, respectively. This indicates that

A. Ellie should make no change in consumption. B. in order to maximize utility, Ellie should buy more Beta and less Alpha. C. in order to maximize utility, Ellie should buy more Alpha and less Beta. D. given another dollar, Ellie should buy an additional unit of Beta.