Solartech corporation, a u. s. exporter, sold a solar heating station to a japanese customer at a price of 143.5 million yen, when the exchange rate was 140 yen per dollar. in order to close the sale, solartech agreed to make the bill payable in yen, thus agreeing to take on exchange rate risk for the transaction. the terms were net 6 months. if the yen fell against the dollar such that one dollar would buy 154.4 yen when the invoice was paid, what dollar amount would solartech actually receive after it exchanged yen for u. s. dollars