V$1$ Journalize the following transactions in the buyer's book and the seller's book using the perpetual and periodic systems: On $1$ June, Fadi Firm sold to Yaman Firm $200$ units on account with discount terms $2,5,$ n$30.$ The selling price per unit is AED $15.$ On $3$rd June, Yaman paid AED $400$ as freight in$.$ On $5$th June, Yaman retuned $10$ units as there was an issue in the units' design. On $6$th June Yaman paid the amount due from the transactions above. Note: the cost of the unit in Fadi's Book is AED $12$