Neco 2020 Commerce Question 33

A company has a budget of \(\₦1{,}200{,}000\) for an advertising campaign that can use three media:\n\n- TV: cost per spot \(\₦50{,}000\), reach 40 000 persons per spot;\n- Radio: cost per spot \(\₦20{,}000\), reach 12 000 persons per spot;\n- Newspaper: cost per spot \(\₦10{,}000\), reach 8 000 persons per spot.\n\nThe campaign must achieve a total reach of at least 800 000 persons. At least 3 TV spots must be purchased and the number of Radio spots cannot exceed twice the number of Newspaper spots.\n\nFind the numbers of TV, Radio and Newspaper spots that meet the reach requirement at the minimum possible total cost, and state that minimum cost (in Naira).