Luffi Inc. owns $20\%$ of Bruce Inc. and appropriately applies the equity method. During the current year, Bruce bought inventory costing $$60,000$ and then sold it to Luffi for $$80,000.$ What amount of gross profit on intra$-$entity sales must be deferred by Luffi in each of the following situations? a$.$ Assuming that $1,000$ inventory was left unsold with Luffi at the end of the period: b$.$ Assuming that at year$-$end, all of the merchandise had been sold by Luffi to other customers