Alpha Corporations bank statement for the month of April included the following information:

Bank service charge for April	P1,300
Check deposited by Alpha during April was not collectible and has been marked NSF by the bank and returned	4,000

In comparing the bank statement to its own cash account, Alpha found the following:

Deposits made but not yet recorded by the bank	P13,240
Checks written and mailed but not yet recorded by the bank	9,870

All the deposits in transit and outstanding checks have been properly recorded in Alphas books. Alpha also found a check for P 3,500, payable to Alpha Corporation, that had not yet been deposited and had not been recorded in Alphas books. Alphas books show a bank account balance of P 41,120 (before any adjustments or corrections).

What is Alpha Corporations correct cash balance at April 30?