What is accounting equation? Define the elements of accounting equation with example.

Mr. Rahman started a travel agency on February 1, 2023. He conducted the following transactions during the month of February, 2023 :

February  1 : Invested Tk. 12,00,000 to start the business.
                 2 : Paid cash for purchasing office equipment Tk. 2,50,000.
                 3 : Paid cash Tk. 30,000 for office rent.
                 4 : Incurred advertising cost Tk. 1,00,000 in cash.
                10 : Purchased office supplies Tk. 10,000 in cash.
                15 : Earned service commission Tk. 3,00,000 of which Tk. 2,00,000 received in cash from customers and Tk. 1,00,000 is billed to customers on account.
               20 : Withdraw cash Tk. 30,000 for personal use.
               23 : Purchased office furniture on account of Tk. 70,000.
               25 : Received in cash from customers who have previously been billed on February 15.
               28 : Paid Tk. 10,000 for utility bills in cash.

Instruction :
(i) Show the effects of the above transaction on the accounting equation in a tabular format.
(ii) Prove the accounting equation.