Upgrading an potato pc?

[rdjisthebest]

My current specs:
Windows 7 Ultimate

Processor: AMD E-350D APU with Radeon HD Graphics 1.60 GHz

RAM: Samsung DDR 4 GB (2.86 usable)

Graphics card: AMD Radeon HD 6310 Ghaphics

32-bit Operating System

PSU = pentium 4 atx2.03

So as you can see these specs are s**t for gaming right? So im thinking to buy parts i have 10,000 rupees budget for upgrade. So do you think
*parts im thinking to buy are*

Cpu: Core 2 Quad Q6600
Gpu: r7 240 2gd3 64b lp
4gb Ram
Motherboard: ASUS EX-A320M Gaming AMD Motherboard

Would be better or do these parts works together? And also do i have to change my Psu/Smpc too?
Games that i wanna play smoothly are Tomb Raider 2013, Spiderman web of shadows,Alan wake/AW American Nightmare and cod modern warfare 2. Thanks in advance
(Sorry for bad english)

 

[rdjisthebest]

I also use lowest setting possible for tomb raider and! Lowspecgamer's patch's XD

 

[quilciri]

I honestly don't know how much of an improvement just the graphics card would make. The E350 may choke any significant graphics card upgrade.

I'd look around on that classified site for someone selling a CPU/motherboard/RAM combo for a good price.