The term promotional expense is identified in base64 scheme by the sequence cHJvbW90aW9uYWwgZXhwZW5zZQ==, while the MD5 signature is equal to cb6b6e01fa060618b1af001663574b67. The ASCII encoding of promotional expense in hexadecimal notation is 70726f6d6f74696f6e616c20657870656e7365.