2nd Level House Plan Design

My family home in Bangladesh needs a well-planned second level of roughly 1,900 sq ft. I want this floor to hold four bedrooms, two bathrooms, a dedicated dining area, a kitchen and at least one balcony... (Budget: $30 - $250 AUD, Jobs: 2D Drafting, AutoCAD, Building Architecture, Building Design, CAD/CAM, Construction Management, Home Design, Revit)