The table above shows three production methods to produce 100 automobiles per day. Which of the three methods is technologically efficient?

If there are approximately 8,000 barrels of known reserves of oil, annual consumption of oil is 500 barrels,

and it is estimated that the supply of oil will be depleted in 30 years, how many barrels of unknown reserves of oil are there estimated to be, all else equal? A) 1,333 B) 7,000 C) 12,000 D) 48,000

In the table shown above, the total cost of the market basket in 2015 was

A) $6.00. B) $8.50. C) $60.00. D) $85.00.