Printing sizes and hoover and prices and vat test with cm inches

6 + 20 + 50 + 100 +
6 x 4 2.76 1.38 1.20 0.72 0.60
6 x 6 3.60 1.80 1.20 1.08 0.72
6 x 7 4.20 2.40 2.04 1.68 1.20
6 x 8 4.32 2.52 2.16 1.80 1.32
6 x 9 4.44 2.64 2.28 1.92 1.44
12 x 8 7.20 7.20 6.00 5.40 4.80
12 x 10 8.40 8.40 7.20 6.60 6.00
12 x 12 9.00 9.00 7.80 7.20 6.60
12 x 14 9.60 9.60 8.40 7.80 7.20
12 x 16 10.20 10.20 9.00 8.40 7.80
12 x 18 10.80 10.80 9.60 9.00 8.40
20 x 16 20.40
20 x 20 25.20
20 x 24 28.80
20 x 30 34.80