On 1st January, 2018, A sold goods to B for Rs. 5,000 plus IGST @ 18%. A received Rs. 900 by cheque from B and drew on him a bill for the balance amount payable 3 months after date. The bill was duly accepted by B. A retained the bill till due date. On due date, the bill was paid. Pass Journal entries in the books of A and B. Also, show necessary accounts in the books of both the parties.