IP packet total length of 3420 B to be sent over the link with MTU 800 B. Header length is 20 B. Packet must be fragmented. Calculate the entire legth of the first fragment in Bytes (including data and IP header)

IP packet total length of 3420 B to be sent over the link with MTU 800B. Header length is 20B. Packet must be fragmented. Calculate the entire legth of the first fragment in Bytes (including data and IP header) (16 Points)