4. (10 points) The following is an excerpt from the Wall Street Journal online. US-dollar foreign exchange rates in late New York Trading Country/currency In US$ Per US$ Switzerland franc 1-mos forward 3-mos forward 6-mos forward 1.0787 1.0791 1.0798 1.0811 0.9270 0.9267 0.9261 0.9250 US$ vs. YTD chg (%) 1.3 | 1.3 | 1.3 | 1.4 (a)What is the spot exchange rate in direct quotation? (b) What is the spot exchange rate in indirect quotation? (c) What is the 6-month premium or discount (expressed as an annual percentage rate) for the Swiss Franc