"FBA Rouen Production" uses $200$ disk break per month, each unit costs $$100.$ These disks are purchased from supplier AB that is $90$ km away from FBA. The production manager estimates that the annual unit holding cost is $15\%$ of the unit cost and the unit ordering cost is $$25.$ Currently, the inventory policy is placing two orders per month along the year to satisfy the annual demand. Calculate: $($Leave your answers with $2$ decimals and use $(.)$ as decimal separator.