Problem
A new Nokia mobile phone with Bluetooth connectivity, internet capacity, television capacity, email capacity and 10GB MP3 player capacity was launched, and targeted to three demographic consumer groups. The first was senior executives; the second was university students; and the third was secondary school students. In the Australian market, the senior executives group had a profitability of $10M; the university students group had a profitability of $50M; and the secondary school students group had a profitability of $100M. Calculate the percentage of total profits contributed by each of the groups.