Economic.

1. Online disease analysis system, price 6 million baht, annual cost 150,000 baht, life expectancy 5 years. Income from using this system is 1.8 million baht per year, with MARR equal to 10% per year. Analyze the sensitivity of the value. Currently, when the following parameters are changed when other data is assumed to be constant a) the price sensitivity of the system When change in the range of 4.8 million baht to 7.2 million baht (-20% to 20%) b) sensitivity to income When change in the range of 1.44 million baht per year to 2.16 million baht per year (-20% to 20%