Find the fixed-point representations of the two values (41.25)10 and (-41.25)10 in the following radix-r number systems. Each number consists of k integer digits and m fraction digits. (a) Signed-digit representation with r = 4, k = 4, m = 2, and the digit set (2, I, 0, 1, 2). At least one negative digit must appear in the representation. (b) A Nega-decimal system with r = -10, k = 3, and m = 2.