SAMSUNG 18. The Biomedical Engineering (BME) Program is interested in purchasing a new scanning electron microscope (SEM). The cost of the microscope is P2,000,000; however, the prices have been dropping at the rate of about 5% per year. The program can set aside about P320,000 annually into an account that will accrue interest at 10%. How long will it be before BME can purchase the microscope