What ive done is made Ribena TC

1st one is 4.5Ltr of ready made Ribena (carton stuff) with 100gm sugar OG 1052
2nd one 4.5ltr OJ with 150gm sugar OG 1072. I heard the last person to make this never posted again so ill let you know (or might not

What ABV% can i expect from the OG readings?
Have i lost the plot or a genius

Kmx