Question is from "Intro to Android app development using App Inventor 2".

Create Retail Price Calculator Using App Inventor (visual or blocks Language) Website: http://appinventor.mit.edu/explore/ Create an app that lets the user enter an item's wholesale cost and its markup percentage. It should then display the item's retail price. For example: . If an item's wholesale cost is 5.00 and its markup percentage is 100 percent, then the item's retail price is 10.00. . If an item's wholesale cost is 5.00 and its markup percentage is 50 percent, then the item's retail price is 7.50. The app should have a function named Calculate Retail that receives the wholesale cost and the markup percentage as arguments and returns the retail price of the item