NPV Problem

Lite$-$Bikes Ltd$.($LB$)$ is a company in Brisbane that has been selling light$-$weight bikes for the last $10$ years. In $2018,$ the Brisbane Council developed the "Transport Plan for Brisbane $-$ Strategic Directions" $("$Transport Plan"$)$ in response to feedback from the community, industry, and other stakeholders. Under this plan, the city seeks to encourage e$-$mobility, which aims for efficient and low$-$energy travel in the city. The city predicts that e$-$mobility, which includes e$-$bikes and e$-$scooters, will be popular in the years to come.

To forge ahead in this emerging market, therefore, LB is now considering making a new product line $-$ electric scooters, an affordable $"$EZ$-$Scooter". This model is not only eco$-$friendly and low$-$energy but can also allow travel up to $100km$ on one charge $-$ a remarkable distance as compared to existing models in the market. It runs on a