The cost per m2 is #33,000. To calculate this, first calculate the area of the disc. The area of a circle is A = πr2, where r is the radius of the circle. The radius of the disc is 5 cm, so the area is A = π(5 cm)2 = 78.54 cm2. The cost per m2 is then 3 300 / 78.54 cm2 = 33,000.