Waterway Department Store uses a perpetual inventory system. Data for product E$2-$D$2$ include the following purchases.DateNumber of UnitsUnit CostMay $7$Number of Units $$45$Unit cost $$14$July $28$Number of Units $$25$Unit Cost$16$a$.$Prepare the perpetual inventory schedule for the above transactions using FIFOb.prepare the perpetual inventory schedule for the above transaction using LIFO