Two websites sell the same type of headphones. Cost of headphones
Website A - £49.95
Website B - £47.68
Cost of postage
Website A - £4.39
Website B - £6.95
Including the cost of postage which website is cheaper and by how much?​

Aquality characteristic of new iphone x made at the amsterdam plant at apple computers has a manufacturing specification (in mm) of 0.200 +/- .07. historical data indicates that if the quality characteristic takes on values greater than 0.27 or smaller than 0.13 the component fails at a cost of20.19. based on these data: determine the taguchi loss function (must show work) calculate an estimated loss for a quality characteristic of .30 calculate an estimated loss for quality characteristic of .40.