auto mobile cost application. starting out with visual C#

Designate the Calculate button as the accept button, that is, the user can press the ENTER key to invoke the calculate button Designate the Exit button as the cancel button, that is, the user can press the ESC key to invoke the exit button Calculate button

Appropriate variables should be used

calculate button Use try...catch to make sure that data entered is appropriate; if data entered is not appropriate provide an error message in a message box and set the focus at the appropriate textbox. Display output as appropriate.

automobile cost as a currency , 2 decimal places . Reset button Clear all the input textboxes and output labels Set the cursor at the first textbox Exit button Exit the application

loan payment
insurance
gas
oil
tires
maintenance
monthly total
annual total

please enter monthly data for all components . click on calculate to get the monthly and annual total based on your input

calculate reset exit

please give appropriate answer. i just want code for calculate button and please use appropriate try and catch method.