3. Suppose a disk blocks of size 1024 bytes that is used to store fixed-length records. In each block 24 bytes is allocated to header to keep block information including the number of records in the block. Suppose a record consisting of a 12 byte header, and 3 fields of size 20 bytes, 8 bytes and 10 bytes. Within each record, fields can start at any byte. How many records can be stored in a block?