If the CPI was 127 in 1972 and is 324 today, then $10 in 1972 purchased the same amount of goods and services as

The proven-reserves figure used in most years-to-depletion calculations encompasses oil reserves that are ________ and ________ to extract

A) known; economical B) both known and unknown; economical C) known; both economical and uneconomical D) both known and unknown; both economical and uneconomical

Price discrimination occurs when a firm sells

A) a given product at different prices at different points in time. B) a given product at different prices to different ethnic groups. C) a given product at different prices unrelated to differences in cost. D) a given product at different prices when it is produced in different colors.