BTC- Until where is it going to drop

Hello traders,

The plan worked out beautifully, now lets see until where the Wave C is going to go. Because we have done a flat, the C will be in a 5 wave impulse


I have 3 different Take Profit

TP 1: 19680
TP 2: 19640
TP 3: 19030

How to find the B

How to find the C of the B