Acompany makes radio and tv sets. each radio requires 3 hours of assembly and 1 2 hour of packaging while each tv set requires 5 hours of assembly and 1 hour of packaging. 1. write a matrix t representing the required time for assembly and packaging of radios and tv sets. 2. the company receives an order from a retail outlet for 30 radios and 20 tv sets. find a matrix s such that either st or t s gives the total assembly time and the total packaging time required to fill the order. what is the total assembly time and the total packaging time?