In economics, specifically within inventory management, the correlation between sales figures and inventory holdings is paramount. An unforeseen surge in sales signifies that sales volumes surpass projected expectations. This situation affects inventory in the following ways:
The appropriate completion for the statement "When there is an unexpected rise in the sales ______ ." is: There will be unplanned decumulation of inventories.
Which concept is depicted in the growth image, and explain the concept? 
Identify the type of market referred to in the given image.