J21 Q3 and M 20 Q3

Sir in J21 Q3, there was amount overhedged of 9100 and in order to caclaulate payment at forward rate we used the lower rate 0.237. If suppose instead of amount overhedged there was amount underhedged then in order to caculate receipt at forward rate we would have used the same lower rate 0.237? Sir in M20 Q3 there was amount underhedged of 81780 and in order to caclaulate receipt at forward rate we used the lower rate 0.8729. f suppose instead of amount underhedged there was amount overhedged then in order to caculate payment at forward rate we would have used the same lower rate 0.8729?