Task:  Go to  the settings in the app and set 100 $ budget.
Steps:
Click on the menu icon at the top right corner of the screen
Click on the settings Icon on the right side of the screen below the currencies option
Click on Budget Mode on the left side of the screen below Balance
Click on 0 
Click on the cut icon on the right side of the screen
click 1 before 2
Click 0 below 8
Click 0 below 8
Click on the OK option on the left side of the screen after the cancel option
Click on the OK option on the left side of the screen after the cancel option