My Yield

User is presented with a screen with inputs for purchase price, weekly rent, on clicking Yield button the Gross Yield is calculated.

The second button 'Set Annual Costs' prompts the user to enter the property taxes or rates, property maintenance, insurance, other, property management percentage, these are added to produce the figure for net yield. Clicking the Yield button on this screen calculates the net yield.

All values are stored in TinyDB so that they are available between screens and each time you run the application.