(1 point) Encrypt the message "HALT" by translating the letters into numbers (via A = 0, B = 1, C = 2, D = 3, E = 4, F = 5, G = 6, H = 7,0 = 8, J = 9, K = 10, L = 11, M = 12, N = 13,0 = 14, P = 15,Q = 16, R = 17, S = 18, T = 19, U = 20, V = 21, W = 22, X = 23, Y = 24, Z = 25 ) and then applying the encryption function given, and then translating the numbers back into letters. (a) f(p) = (p + 3) mod 26 (b) f(p) = (p + 13) mod 26 (c) f(p) = (p + 7) mod 26