You have a Personal Income of 48,500/month. Your Disposable Income is 20% less of your Personal Income. You still have these further expenses:

food - $1000/bi-weekly

medical - 3000/month

savings - 1500/month

mother's rest home cost - 10320/semi-annually. You would like to purchase a new condo. The required down payment for the condo is $ 400,000. You believe that if you save 1/3 of you Discretionary Income each month for 3 years you will have enough for the down payment. Are you correct? If not how many more months do you need to save? Show all your calculations (rounded to the nearest dollar).