Answer: a). Spain
b). none
c). 2.4
Explanation: a). Absolute advantage occurs when a country produces more of a good than the other country. In this case, Spain produces 50 units of Tractors while, Bolivia produces only 30 units of Tractors. Thus, Since Spain is producing more it has an absolute advantage in Tractors.
b). Both the countries are producing equal units of Cotton. Thus, we can say that none of them has an absolute advantage in cotton production.
c. Opportunity cost is the cost of the lost alternative. When Spain produces Tractors it is sacrificing production of Cotton. So, opportunity cost on 1 unit of Tractor will be,

Thus, 2.4 units of cotton which is given up is the opportunity cost of Spain for producing 1 unit of Tractor.
Answer:
Self-managed
Explanation:
Self managed team is management concept wherein group of diverse skill people are expected to work on their own without any supervision. This ensures collective accountability for any task undertaken. Employees have freedom to take their own decision. Self managed team concept is being implemented in organization with aim of increasing productivity, efficiency, cost saving and increased employee satisfaction.
Answer:
The correct answer is letter "B": Depreciation reduces the book value of assets
.
Explanation:
Depreciation shows how much and the value of the assets was used up. This also aims to balance an asset's cost to the revenue that the asset has helped the business gain. Used as an income tax deduction, depreciation calculations offer businesses an annual allowance for the use and deterioration of tangible (physical) assets.
<em>Depreciation reduces the book value of assets because, after the depreciation calculation is done, the amount computed decreases the current value of the asset it represents.</em>
Government's sources of revenue are taxes it takes from citizens and borriwing money