Neco Model Questions Vol1 2020 Commerce Question 19

A company plans a 5‑month advertising campaign using three media: TV, Radio and Social Media. The cost per thousand impressions (CPM) and maximum possible impressions for each medium are: - TV: CPM = \(\text{₦}5{,}000\); max impressions = 500,000\n- Radio: CPM = \(\text{₦}2{,}500\); max impressions = 600,000\n- Social Media: CPM = \(\text{₦}1{,}000\); max impressions = 800,000\n The total advertising budget is \(\text{₦}2{,}000{,}000\). The campaign must achieve at least 1,200,000 total impressions, and at least 30% of the total impressions must come from Social Media. Determine the allocation of the budget (in naira) to each medium that meets the constraints at the minimum possible total cost. State the number of impressions obtained from each medium and the total cost.