An analog signal having frequency as 9,80 KHz is digitized with 6 bits and stored in a file. If the file size is 1,29 Mbit, which answer is correct? a. Date Rate = 64,7 Kbps Duration of the Signal = 15 minute b. Date Rate 117,6 Kbps Duration of the Signal = 11 minute O c. Date Rate = 68,6 Kbps Duration of the Signal = 19 minute d. Date Rate = 94,8 Kbps Duration of the Signal = 14 minute e. Date Rate = 98,1 Kbps Duration of the Signal = 13 minute