The AUD$/$USD spot rate is $0\mathrm{.}8550.$ The $1-$month AUD$/$USD FX swap rate is $-32$ points.

What does this say about the interest rates?

Select one:

a$.$ AUD$/$USD spot rate is expected to drop over the subseqtent month

b$.$ AUD interest rates are lower than USD interest rates

c$.$ AUD$/$USD spot rate is expected to rise over the subsequent month

d$.$ AUD interest rates are higher than USD interest rates