4. Mrs. Caspe deposited an amount of P25,000 in her savings account. After a month, she deposited an additional amount of P 10,000. The next month, she withdrew an amount of P 15,000 for his son's tuition The following month, she withdrew P 7,000. How much was left in her savings account?

A.P 10,000
B. P 14,000
C.P 12,000
D. P 13,000 ​