4. Imagine that you are the owner of "Talking Masks Company" which produces special cards with amusing messages printed on for birthday, engagement and wedding parties. You have realized that your sales became stable and a mature structure occured in the market. All the competitiors have their own client portfolio. Please write down your company's status according to Product Life Cycle (PLC) and please list which marketing types, pricing strategies, promotional activities in order to continue your company's profitability and protect the customer portfolio. (10p)