Problem $1\mathrm{.}8$A

Question $1$ of $1$

$-1100$

Izabela Pharoah opened a medical office under the name Izabela Pharoah, MD$,$ on August $1,2024.$ On August $31,$ the balance sheet showed Cash $$3,360$; Accounts Receivable $$1,680$; Supplies $$672$; Equipment $$8,400$; Accounts Payable $$6,160$; Note Payable $$3,360$; and I. Pharoah, Capital, $$4,592.$ During September, the following transactions occurred:

Sept. $4$ Collected $$896$ of accpunts receivable.

$5$ Provided services of $$11,760,$ of which $$8,624$ was collected from patients and the remainder was on account.

$7$ Paid $$3,248$ on accounts payable.

$12$ Purchased additional equipment for $$2,576,$ paying $$896$ cash and leaving the balance on account.

$15$ Paid salaries, $$3,136$; rent for September, $$2,128$; and advertising expenses, $$316.$

$18$ Collected the balance of the accounts receivable from August $31.$

$20$ Withdrew $$1,120$ for personal use.

SUPPOI

$26$ Borrowed $$3,360$ from the Bank of Montreal on a note payable.

$28$ Signed a contract to provide medical services, not covered under the government health plan, to employees of CR

My question is $-$

Answer how did you find answer numbr $18,$ only show me the profe