28. An advertising company wants to cover two types of audiences: Type A, consisting of customers with annual income greater than Rs 150,000 and Type B, consisting of customers with annual income less than Rs 150,000. The total advertising budget of the company is Rs 2,10,000. One programme of TV advertising costs Rs 50,000 and one programme ofradio advertising costs Rs 20,000. As per the terms of the contract, at least three programmes must be on TV and the number ofradio programmes must be limited to five. On the basis of some surveys, it is found that a single TV programme reaches 4,50,000 customers of Type A and 50,000 customers of Type B, while one radio programme reaches 80,000 customers of Type A and 2,20,000 customers of type B. Use simplex method and determine the optimal media mix to maximise the total reach. What is the total reach in each type of audience?