afr article, page-8

Does not effect our repayment in the terms of the amount of US$ we have to pay back but that still effects the amount of A$ we have left over to pay operating costs which are nearly all charged in A$.
Eg if we had to pay back 10US$ per month, with a lower A$ it needs more A$ and therefore less left over to pay opex.

It was one of the major mistakes this company made - writing the loan in A$.