$(6$ points$)$ IBM US Commercial Computer Operations sold a state$-$of$-$the$-$art mainframe computer system to the Institute of Molecular Pathology and Immunology of the University of Porto in Portugal on credit and invoiced $10$ million payable in six months. Currently, the six$-$month forward exchange rate is $$1\mathrm{.}10/$ and the Treasury Department's foreign exchange analyst for IBM predicts that the spot rate is likely to be $$1\mathrm{.}05/$ in six months.