Question

13. Раскройте скобки и выберите подходящее по смыслу слово из предлагаемых вариантов.
1. Farmers may (own / earn /run) more revenue from a bad harvest (урожай) than from a good harvest.
2. A rise in the income of consumers will typically result in an equivalent increase in (corresponding /total /alternative) consumer expenditure.
3. Statistics show the greatest increase in the number of jobs in the American non-production sector, among government workers (in terms of / elsewhere /in particular) today.
4. Don't forget to calculate the (marginal cost /costs /opportunity cost) of the man's labour, that is, the money that he could (own /earn /offer) by working elsewhere.
5. In Marxist theory, proletariat is the social class of workers who have to sell their (corresponding /own /total) ability to work.
6. If we want to understand how firms make output decisions, we must analyze how they determine (revenues /output /amounts) snd(commodities /costs /profits).

Answer 1

1 earn
2 corresponding
3 in particular 
4 marginal cost    earn
5 corresponding 
6 revenues costs

Answer 2

1.  Run
2. Total
3. in particular
4. opportunity cost, earn
5. Own
6. Revenues, profits
IMHO))))