$7.$ Selected transactions for Bookit Pty Ltd$,$ a bookkeeping service in its first month of business, are as follows:

Issued shares to investors for $$20000$ in cash.

Purchased a used photocopier for $$6000$ on account for use in business.

Purchased supplies on account for $$6800.$

Invoiced customers $$3600$ for services performed.

Paid $$600$ cash for marketing start of business.

Received $$3000$ cash from customers invoiced in transaction $(4).$

Paid creditor $$6800$ cash on account.

Paid rent for the month, $$1200$ cash.

Required

For each transaction, indicate $($a$)$ the basic type of account debited and credited $($asset$,$ liability, equity$),($b$)$ the specific account debited and credited $($cash$,$ rent expense, service revenue etc.$),($c$)$ whether the specific account is increased or decreased, and $($d$)$ the normal balance of the specific account. Use the following format, in which transaction $(1)$ is given as an example: