30. In June 1994 the central bid-ask rates for the French franc and the Dollar on one hand, and the German Mark and Dollar on the other were: FF/$ = 6.9032- 299, M/$? 2.010 -49. (a) Very briefly, name two factors that influence bid-ask spreads, and the direction of the influence. (b) Obtain the FFIM bid-ask cross rates, and precisely interpret them. 30. In June 1994 the central bid-ask rates for the French franc and the Dollar on one hand, and the German Mark and Dollar on the other were: FF/$ = 6.9032- 299, M/$? 2.010 -49. (a) Very briefly, name two factors that influence bid-ask spreads, and the direction of the influence. (b) Obtain the FFIM bid-ask cross rates, and precisely interpret them