Final answer:
The correct word to fill in the blank in the sentence is 'promised,' which relates to the software’s guaranteed capabilities. The software project experienced planned obsolescence, becoming outdated due to delay and being overtaken by competitors' products.
Step-by-step explanation:
The appropriate word to complete the sentence from the options given is 'e' - promised. This refers to what the original specification guaranteed or assured to the investors and users about the software's capabilities. In the context provided, the software project was not only over budget but also delayed, resulting in it becoming outdated upon release, an example of planned obsolescence. Because of the delay, competitor’s products have surpassed it, highlighting the importance of being timely and strategic in product development, just as Amy demonstrates in the example by completing her projects ahead of schedule.