Please only answer parts a, c, and d. Please show your work and explain how you solved. I will rate your reply! Thank you!

INTEGRATED CASE ALLIED COMPONENTS COMPANY 11-24 BASICS OF CAPITAL BUDGETING You recently went to work for Allied Components Company, a supplier of auto repair parts used in the after-market with products from Daimler AG, Ford, Toyota, and other automakers. Your boss, the chief financial officer (CFO), has just handed you the estimated cash flows for two proposed projects. Project L involves adding a new item to the firm's ignition system line; it would take some time to build up the market for this product, so the cash inflows would increase over time. Project S involves an add-on to an existing line, and its cash flows would decrease over time. Both projects have 3-year lives because Allied is planning to introduce entirely new models after 3 years