please answer those 2 questions

CompuMar is a Moroccan retail company selling mainly computers and other electronic devices (digital cameras, smartphones, etc.), with several stores in major Moroccan cities. Among the important tactical decisions that the CompuMar's Logistics Manager has to tackle is to set up an inventory policy for a popular brand of bluetooth-headphones, namely the BudsPlus. The manager evaluates the annual demand to 20,000 units. Each time an order is placed, the company incurs a fixed cost of 1200 DHs that covers order placement, transportation to the company's warehouses, and handling of the units. Each unit costs CompuMar 1500 DHs in material cost, and the holding cost per year expressed as a fraction of unit value is estimated to be =02 NB: In all your answers/calculations round to 2 decimals/digits