Metlock Company sells one product. Presented below is information for January for Metlock Company. Jan. $1$ Inventory $110$ units at $$5$ each $4$ Sale $87$ units at $$8$ each $11$ Purchase $156$ units at $$6$ each $13$ Sale $126$ units at $$9$ each $20$ Purchase $155$ units at $$6$ each $27$ Sale $99$ units at $$10$ each Metlock uses the FIFO cost flow assumption. All purchases and sales are on account. Assume metlock uses a perpetual system. Prepare all necessary journal wntries.