Please quote with price breakdown:

Use: 1080-1440p casual gaming.

Processor - Intel Core i5 8400
Motherboard - (Please suggest)
RAM - 16gb DDR4 3000Mhz
Graphic Card - Zotac 1070 Ti Mini or Palit 1070 Ti Dual (or similar, at the lower price range for 1070 Ti)
Power Supply - Please recommend cheapest suitable Gold efficiency PSU
Casing - Please recommend cheapest suitable
Solid State Drive (SSD) - Entry-mid level 240-500gb SSD (can be M.2 or SATA connection)
Other: Wifi adapter (able to connect to 5gz band, Wifi N) either from Mobo or USB drive, whichever cheaper

Thank you!