I need help with these questions, please help!

Question a) Outline the links between the journals and the ledgers (general and subsidiary). (indicative time: 5 minutes) : b) 0n 1 July 20XX, the accounting entity Qiddyup purchased a motor vehicle for $30,000 from Richard on credit. Demonstrate any 3 conventions that apply to this transaction. (indicative time: 5 minutes) E c) Qeang owns and manages a sports shop (accrual method of accounting is used). On 25 August 20XX Alex (uses the cash method of accounting) paid Qeangin advance by cheque for a new rugby ball for $100 as it was signed by the legendary player Lachlan. The rugby ball has a cost of $30. Alex said that he will pick up the ball on 1 September 20XX. Assuming that you are the accountant for both Qaangand Alex, advise them as to their accounting obligations as at 31 August 20XX (hint: your answer should also include the journals and accounts affected). (indicative time: 10 minutes)