A Firm Had $2,800 Cash at the Beginning of the Period.During

A firm had $2,800 cash at the beginning of the period.During the period,the firm collected $1,600 in receivables,paid $1,850 to supplier,had credit sales of $4,200,and incurred cash expenses of $2,300.What was the cash balance at the end of the period?

A) $4,450
B) $250
C) $2,850
D) $1,250