Krystal. Krystal is a U.S.-based company that manufactures, sells, and installs water purification equipment. On April 11, the company sold a system to the City of Nagasaki, Japan, for installation in Nagasaki's famous Glover Gardens (where Puccini's Madame Butterfly waited for the return of Lt. Pinkerton). The sale was priced in yen at 24,000,000, with payment due in three months. The exchange rate and interest rate data are shown in the popup window: Note that the interest rate differentials vary slightly from the forward discounts on the yen because of time differences for the quotes. The spot 117.813/$, for example, is a mid-point range. On April 11 , the spot yen traded in London from 118.816/$ to 116.809/$. Krystal's Japanese competitors are currently borrowing yen from Japanese banks at a spread of two percentage points above the Japanese money rate. Krystal's weighted average cost of capital is 15.5%, and the company wishes to protect the dollar value of this receivable. 3-month ootions are available from Kvushu Bank: call ootion on 24.000.000 at exercise orice of Krystal. Krystal is a U.S.-based company that manufactures, sells, and installs water purification equipment. On April 11, the company sold a system to the City of Nagasaki, Japan, for installation in Nagasaki's famous Glover Gardens (where Puccini's Madame Butterfly waited for the return of Lt. Pinkerton). The sale was priced in yen at 24,000,000, with payment due in three months. The exchange rate and interest rate data are shown in the popup window: Note that the interest rate differentials vary slightly from the forward discounts on the yen because of time differences for the quotes. The spot 117.813/$, for example, is a mid-point range. On April 11 , the spot yen traded in London from 118.816/$ to 116.809/$. Krystal's Japanese competitors are currently borrowing yen from Japanese banks at a spread of two percentage points above the Japanese money rate. Krystal's weighted average cost of capital is 15.5%, and the company wishes to protect the dollar value of this receivable. 3-month ootions are available from Kvushu Bank: call ootion on 24.000.000 at exercise orice of