Unit 23: ► KEY – ex. 2b, p. 136: 1 B 6 A 2 A 7 B 3 A 8 C 4 B 9 C 5 C 10 B ► KEY – ex. 2e, p. 138: 1 depreciation 6 national insurance 2 disincentive 7 perks 3 regressive 8 tax shelters 4 consumption 9 tax-deductible 5 self-employed 10 tax havens