The average annual cost of damages caused by flooding to a subdivision near Pasig River is estimated at P 5M. To build a gravity dam to protect the area from flooding would cost P 25M and would cost...

The average annual cost of damages caused by flooding to a subdivision near
Pasig River is estimated at P 5M. To build a gravity dam to protect the area from flooding would cost P 25M and would cost an annual maintenance cost of P 2M. Interest is 11%. What is the present worth of all the damages for 15 years?