Given a file containing switch names, ports, Incoming BPS, Outgoing BPS, need to find out the top talking switches

cat machine.csv
SWITCH, PORTS, IBPS,OBPS
ARIS, ge-0/1, 5800000000, 5800000000
CISCO, ge-0/2, 1000000000, 5700027720
JUNIPER, ge-0/3, 2000000000,3000000000
HPE, ge-0/4,3000000000,4000000000

in this case machine name ARIS should be returned
if OBPS is greater but IBPS is lesser or vice-versa return machine name when either of them is greater.