LE a) Piddling manufacturing assembles security monitors. It purchases 300 black and white cathode ray tubes per month at $65 each. Ordering costs are $31, and weekly carrying costs are 0.5 percent of the purchase price. Discuss the values of- (i) The optimal quantity (ii) The carrying cost? (iii)The ordering cost? (iv) The total annual cost [7 b) Explain the product life cycle of a Laptop computer. Analyze which type of design process does this product follow and which major environmental factors should be considered while disposing laptops