A software developer has been too$-$late$-$to$-$market on several occasions; competitors have introduced apps much quicker and as a result have captured a larger market share. The developer is concerned that the major factor in slowing this process is the time it takes for product developers to design and communicate the functionality needed to software designers. But, in addition, there are just too many times when each stage in the development process must be approved by managers before the process can continue. Which of the following tools could be most useful in the early stages of studying this development process with an objective to shorten time$-$to$-$market?

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Line Chart

Value Stream Map

Taguchi diagram

Fishbone diagram