Tranmere PLC estimates that a new product will sell in sufficient quantities to justify its manufacture at a selling price of £175. The company needs to invest £5 million to produce a quantity of 10,000 of these new products per year and requires a return on that investment of 12% per annum. The current prediction is that the product will cost £140 to manufacture. To achieve the target selling price and target rate of return, the product needs to be re-engineered to reduce its cost of manufacture by: b) £25