HELP WITH COMM PRICES!!!!!!!!!!!! (Patreon)

i need help figuring out what to charge what would YOU (the patrons) pay for these options

rough sketch

rough with flats

refined/lineart

refined with colour

1 hour painting

for extra context my in stream prices are as follows and i want to charge a lil more than these

sketch

solo: 30 usd dolla rs

with colour 40 doler (usd)

duo: 55 united dollars

with colour 75 usa dollars

1 hour sketch 40 usd dollars