how to beat rc4 encryption

[r00t]

Hey Boss. I've always hated you. I quit. Sincerely, Bob

Plaintext
-------------
0000000: 48 65 79 20 42 6f 73 73 2e 20 49 27 76 65 20 61 Hey Boss. I've a
0000010: 6c 77 61 79 73 20 68 61 74 65 64 20 79 6f 75 2e lways hated you.
0000020: 20 49 20 71 75 69 74 2e 20 53 69 6e 63 65 72 65 I quit. Sincere
0000030: 6c 79 2c 20 42 6f 62 0a ly, Bob.

Ciphertext
-------------
0000000: 78 b9 50 ef b1 81 28 e0 d4 38 05 d9 35 6e fe 43 x.P...(..8..5n.C
0000010: bc cc 95 8c d8 73 50 b0 7c 06 03 91 c6 5e 2d 5a .....sP.|....^-Z
0000020: b5 21 6a c5 3a 9b cf 4e 1f 84 d1 e2 d6 4a 32 76 .!j.:..N.....J2v
0000030: 29 00 57 7d 25 61 6e 8f ).W}%an.

68 61 74

71 75 69 74

48 65 79 20 42 6f 73 73 2e 20 49 5c 27 76 65 20 61 6c 77 61 79 73 20 68 61 74 65 64 20 79 6f 75 2e 20 49 20 71 75 69 74 2e 20 53 69 6e 63 65 72 65 6c 79 2c 20 42 6f 62

78 b9 50 ef b1 81 28 e0 d4 38 05 d9 35 6e fe 43 bc cc 95 8c d8 73 50 b4 72 04 03 91 c6 5e 2d 5a b5 21 6a c5 38 9a c7 43 1f 84 d1 e2 d6 4a 32 76 29 00 57 7d 25 61 6e 8f

101100000111110000000110
011010000110000101110100

110110000001110101110010

1110001011101010110100101110100
0111010100110111100111101001110

1001011111011101010011000111010

4BEEA63A
73746179

6c6f76
D81D72

Hey Boss. I've always loved you. I stay. Sincerely, Bob