The term ordinary annuity is identified in base64 scheme by the sequence b3JkaW5hcnkgYW5udWl0eQ==, while the MD5 signature is equal to 8d72575a16532f84c66d84bf801e7962. The ASCII encoding of ordinary annuity in hexadecimal notation is 6f7264696e61727920616e6e75697479.