Gce Model Questions Vol1 2025 Commerce Question 21

A company launches an advertising campaign using three media: TV, radio and the internet. The TV advertisement reaches \(120{,}000\) people, the radio advertisement reaches \(80{,}000\) people and the internet advertisement reaches \(150{,}000\) people. Market research shows that \(30{,}000\) people see both TV and radio, \(40{,}000\) see both TV and internet, \(20{,}000\) see both radio and internet, and \(10{,}000\) see all three media. The cost per person reached is £\(0.05\) for TV, £\(0.03\) for radio and £\(0.02\) for internet. The company has a budget of £\(12{,}000\). Determine (a) the total number of unique individuals reached, (b) the total cost of the campaign, (c) the effective cost per unique individual (rounded to three decimal places), and (d) whether the campaign stays within the budget.