2. A businessman has three branches which sold the following quantities of three items in the year 2010. Branch 1: 300 radios 400 bulbs 600 TVs Branch 2: 350 radios 100 bulbs 400 TVs Branch 3: 100 radios 20 bulbs 500 TVs and in 2011 Branch 1: 400 radios 300 bulbs 100 TVS Branch 2: 600 radios 100 bulbs 300 TVs Branch 3: 500 radios 200 bulbs 400 TVs a. Represent the above sales information for year 2010 as a matrix. b. For the two years find the total number of each of the items sold by the three branches, c. If the cost of a radio 2000/- that of a bulb 40/- and that of a TV 4050/- i) Find the total revenue for each branch in 2010. ii) The total revenue for the two years.​