The consulting company Strategizer has developed a popular methodology for categorizing specific customer frustrations and helping entrepreneurs design solutions that directly address those frustrations. Their widely used method is called:.

The correct answer is letter "C": a Value Proposition Canvas.

Explanation:

The Value Proposition Canvas focuses on the understanding and discovery of the problems of the customers and the design and test of possible solutions, The value proposition canvas works as a plug-in for the canvas of the business model canvas that widens the value proposition and customer segmentation to describe the interactions between clients and products in detail.

The value proposition canvas aims to link what makes frustrate or make customer's happy with their own frustrations and happiness.

the correct answer would be b, when, queen, calder hall and london.

explanation:

we always capitalize words when a paragraph or sentence is starting, when an important name is used, when a place is being written, or simply when a noun is used, etc. so in this sentence, sentence is starting from 'when', so it will be written in capital letters. secondly, queen is considered to be an important person, so it will also be written in capital letter. next, the name of the town is mentioned, i-e calder hall, which will also be written in capital letters. in the last,   city name is being used, 'london', which will also be written in capital letters. so option b is the most appropriate one.

answer; test-retest;