Product X has a ticket price of $$0\mathrm{.}8$ and a holding cost rate of $3\%$ per week. The ordering costs are $$4,$ and the weekly demand is $396$ units. Determine the economic order quantity and then the total inventory costs $($i$.$e$.,$ ordering costs $+$ holding costs$)$ per year $($i$.$e$.,$ assume that a year has $50$ weeks$).$