The food cost 3*50=$<<3*50=150>>150
So the total cost without equipment rental was 1200+150=$<<1200+150=1350>>1350
So equipment rental cost 1350*2=$<<1350*2=2700>>2700
So the total cost was 2700+1350=$<<2700+1350=4050>>4050
That means they made 10000-4050=$<<10000-4050=5950>>5950
#### 5950