Design plus is able to sell 300 000 units of its product per year for the next three years at a price of R20.00 per unit. The variable cost per unit is R10.00 while it required R220 000 in R & D to develop the product. The fixed costs associated with the project are R200 000 while the equipment will cost R600 000 including installation costs. An initial outlay of R800 000 will be required for working capital. The equipment will be fully depreciated over three years and has a salvage value of R100 000. The companys tax rate is 30% while the cost of capital is 15%. Calculate the following: 3.1. The relevant cash flows (8) 3.2. ARR (2) 3.3. PBP (2) 3.4. NPV (6) 3.5. PI (2)