Interactivity  of a marketing decision support system is represented in the given example.
Explanation :
While analysing the market demands, they need a system which can produce data in an interactive way. This kind of system only helps the above mentioned type of company.
Actually to support her business venture she has implemented the MDSS that is marketing decision support system. This is a computerised support system where it stores all the customers’ data and areas of interest of the customers and it also tracks the purchases they have made.
To analyse the future requirement and to satisfy the customer demands the MDSS has an interactive way of obtaining information to fulfil the company’s aspiration.