Correct Answer: D. 10 sq.cm

Explanation

(a)(i)Fixed costs: Are expenses that remain unchanged whatever tho level of output e g money spent on the purchase of land rent payment. purchase of tools and machinery etc while variable costs are expenses that change With the level of output e g expenses on raw material, fuel. electricity maintenance of fired assets, etc

(ii) Real cost is the goods and forgone by employing the resources In their best or

most profitable alternative uses, while money cost is the amount of money spent to produce a particular good or service

(iii) Implicit costs are the costs of the resources supplied by the owners e.g owners of managerial skills, financial resources and owner-occupied buildings. while explicit costs are payments that are made for resources purchased from outside e.g. payment for labour services, fuel electricity. raw materials and transportation.

(b)(i) the firm should stay open in the short run if price is greater than AVC. The firm should shut down In the long run

(ii) Any further production will add to losses In the long run.

Correct Answer: B. faster and smaller.

Correct Answer: B. staff structure

Explanation

(a)(i) Peasant farming is a small scale farming involving the use of simple farm implements. It involves small farm holdings. Production is for both domestic consumption and for export.

(ii) Commercial farming is the large scale farming involving the use of machinery and other forms of capital such as irrigation, improved seedlings and fertilizers. Production is for both domestic and international markets.

(b)(i) Agriculture provides food and therefore reduces importation.

(ii) Agriculture exports provide foreign exchange for development.

(iii) Increased food production helps to keep down the rate of inflation.

(iv)Agriculture provides raw materials for industrial development.

(v) Agriculture provides a market for equipment and other agricultural inputs produced by the industrial sector.

(vi) Agricultural incomes also create a market for manufactured consumer goods.

(vii) Savings obtained from the agricultural sector increase the level of saving in the economy.

(viii) Tax on agricultural incomes yields revenue to government for capital formation.

(ix) Agriculture provides employment for the growing labour force.

(x) Development in agriculture releases excess labour to work in industries.

Correct Answer: B. step by step

Correct Answer: D. calcium trioxosilicate (IV)

Correct Answer: B. fungicide

Correct Answer: A. each other

Correct Answer: B. N10m