A certain political party has decided to advertise in the Sunday editions of two major newspapers in town

A certain political party has decided to advertise in the Sunday editions of two major newspapers in town. These advertisements are directed at three groups of potential voters. Each advertisement in newspaper] is seen by 70000 group A voters, 40000 group B voters, and 20000 group C voters. Each advertisement in newspaper II is seen by 10000 group A, 20000 group B, and 40000 group C voters. Each advertisement in newspaper I costs 1000 euros, and each advertisement in newspaper II costs 800 euros. Party would like their advertisements to be read by at least 2000000 people from group A, 1400000 people from group B, and 1000000 people from group C. how many advertisements should the party place in each newspaper to achieve its advertising goals at a minimum cost? What is the minimum cost?