Rosalie Woischke is an executive with ColaCo, a nationally known beverage company. Woischke is trying to determine the firm’s optimal capital budget. First, Woischke is analyzing projects Sparkle and Fizz. She has determined that both Sparkle and Fizz are profitable and is planning on having ColaCo accept both projects. Woischke is particularly excited about Sparkle because if Sparkle is profitable over the next year, ColaCo will have the opportunity to decide whether or not to invest in a third project, Bubble. Which of the following terms best describes the type of projects represented by Sparkle and Fizz as well as the opportunity to invest in BubbleSparkle and FizzOpportunityto invest in Bubble（）
A. Independent projects Add-on project
B. Mutually exclusive projects Project sequencing
C. Independent projects Project sequencing