Describe the customer service and support in post purchase Interaction.
Post purchase Interaction:
The considerations at this step can be explained by the given example:
See a bundle having a portfolio allocation model and a visualization tool to graphically depict percentage allocations and quadratic programming solution algorithm into different instruments.
Into executing such bundled service, the user sees that on supplying the inputs, the expected output that is, a pie chart depiction of portfolio allocation, is not returned.