13-inch MacBook Pro with Retina display for sale in Upper East Coast Road, East Singapore for sale

13-inch MacBook Pro with Retina display bought at SGD$3,648 in late Feb (less than a month old) price negotiable.
With the following configuration:
• 3.0GHz Dual-core Intel Core i7, Turbo Boost up to 3.5GHz
• 16GB 1600MHz DDR3L SDRAM
• 1TB PCIe-based Flash Storage
• Intel Iris Graphics
• Backlit Keyboard (Int'l English) & User's Guide (English)
• Accessory Kit
Comes fixed with the following accessories worth over SGD$200:
1) Kuzy - Retina 13-Inch Palmrest with Trackpad Skin Protector Sticker Cover Silver for Apple MacBook Pro 13.3" with RETINA Display Only Models: A1502 an
2) UPPERCASE Premium Ultra Thin Keyboard Protector for Macbook Pro with Retina Display 13 15
3) Kuzy - Retina 13-Inch FROST WHITE/CLEAR Rubberized Hard Case for MacBook Pro 13.3" with Retina Display A1502 / A1425 (NEWEST VERSION) Shell Cover - Wh
4) Kuzy - Retina 13-Inch CLEAR Screen Protector Film for MacBook Pro 13.3" with Retina Display A1502 and A1425 (NEWEST VERSION) - CLEAR
Selling because not used to Mac OS, switching back to window OS