The diameter of a sphere is equal to the diameter of a cylinder and height of the cylinder is twice its radius, then the ratio of the volume of
cylinder to sphere is​

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.