the maximum amount (see paragraph (2)), less

the amounts to be deducted (see paragraph (3)).

any amount included under Article 14 (standard allowance),

any amount included under Article 15 (responsibility for children and young persons),

any amount included under Article 16 (housing costs), and

any amount included under Article 17 (other particular needs or circumstances).

an amount in respect of earned income calculated in the prescribed manner (which may include multiplying some or all earned income by a prescribed percentage), and

an amount in respect of unearned income calculated in the prescribed manner (which may include multiplying some or all unearned income by a prescribed percentage).

in the case of a single claimant, to income of the claimant, and

in the case of joint claimants, to combined income of the claimants.