Two countries produce copper and lead. Country A can produce a maximum of 300 tons of copper per day or 150 tons of lead. Country B can produce a
maximum of 400 tons of copper per day or 100 tons of lead. Which
statement best describes this situation?
A. Country Bhas a comparative advantage producing copper.
B. Country A has an absolute advantage producing copper and lead.
C. Country A has an absolute advantage producing copper.
D. Country Bhas a comparative advantage producing lead.

A. Country B has a comparative advantage producing copper.

Explanation:

Comparative advantage is the capability of a firm or country to produce a good or service at a lower opportunity cost than rivals. It implies the country uses fewer resources to produce that commodity. Comparative advantage enables a country to have a higher output while using the same inputs as its competitors.

Country B can produce 400 tons of copper, while country A  ability is 300 tons. Country B uses labor and materials more efficiently in copper production; hence it has a comparative

a manufacturer of printed circuit boards uses exponential smoothing with trend to forecast monthly demand of its product. at the end of december, the company wishes to forecast sales for january. the estimate of trend through november has been 200 additional boards sold per month. average sales have been around 1000 units per month. the demand for december was 1100 units. the company uses α = 0.20 and β = 0.10. make a forecast including trend for the month of january.