The context of the following conversation is While Casey was interested in learning to play the piano, asked the pianist for lessons.:
Casey says I start taking piano lessons tomorrow..
The friend responds I didn't know you were interested in learning music..
Casey responds Yes, I can afford to take the lessons now..
The friend responds How much are the lessons?.
Casey responds It will be costing me a couple hundred dollars every month..
The friend responds It's a good thing you are working now..