6. In schedule 3 (prisms, tints, photochromic lenses, small glasses and special frames and complex appliances)—
(a)in paragraph 1(1)(a) for “£12.85” substitute “£13.45”,
(b)in paragraph 1(1)(b) for “15.70” substitute “£16.40”,
(c)in paragraph 1(1)(c) for “£4.50” substitute “£4.70”,
(d)in paragraph 1(1)(d) for “£5.00” substitute “£5.20”,
(e)in paragraph 1(1)(e)—
(i)in sub-head (i) for “£65.50” substitute “£68.45”,
(ii)in sub-head (ii) for “£58.15” substitute “£60.75”,
(iii)in sub-head (iii) for “£31.40” substitute “£32.80”,
(f)in paragraph 1(1)(g) for “£65.50”, “£58.15” and “£31.40” substitute “£68.45”, “£60.75” and “£32.80” respectively,
(g)in paragraph 2(a) for “£14.90” substitute “£15.55”,
(h)in paragraph 2(b) for “£38.15” substitute “£39.90”.