During the month of February, Hoffer Company had cash receipts of $7,500 and cash disbursements of $8,600. The February 28 cash balance was $1,800. What was the January 31 beginning cash balance?

a. $700.
b. $1,100.
c. $2,900.
d. $0.
e. $4,300.

Answer: c. $2,900.