The daily rental cost of the generator is Php 300
Generator = 2 days
Sound system = 3 days
Total amount cost each day = 1,100
1,100 + 1,100 = 2, 200
3,000 - 2,200 = cost of Sound system ( Php 800 )
1,100 - 800 = cost of generator ( Php 300 )
= The daily rental cost of the generator is Php 300