A nation's GDP at purchasing power parity (PPP) exchange rates refers to:. a. the value of the GDP divided by the population of the country.
b. the value of all the goods and services produced by a country in a single year.
c. the value of the GDP adjusted for purchasing power.
d. a country's average achievements in health, knowledge, and standard of living.
e. the sum value of all goods and services produced in the country valued at prices prevailing in the United States.

Which of these is an example of innovation?

Plastic and steel are substitutes in the production of body panels for certain automobiles. if the price of plastic increases, with other things remaining the same, we would expect: a) the demand curve for plastic to shift to the left. b) the price of steel to fall. c) the demand curve for steel to shift to the left d) nothing to happen to steel because it is only a substitute for plastic. e) the demand curve for steel to shift to the right

Levine inc., which produces a single product, has prepared the following standard cost sheet for one unit of the product. direct materials (9 pounds at $1.80 per pound) $16.20 direct labor (6 hours at $14.00 per hour) $84.00 during the month of april, the company manufactures 270 units and incurs the following actual costs. direct materials purchased and used (2,500 pounds) $5,000 direct labor (1,660 hours) $22,908 compute the total, price, and quantity variances for materials and labor.