hard to say? you should get a bar minimum from that 1k light, looking at the pics id say 12oz but no more

p.s next time round plant 36 cuttings veg for 14 days flip it in to flower and you should not be far off 1k.g if you keep the light close and keep the plants 6" apart in a 4x4 foot square
good luck with your grow looks good for 1st time.