The pricing of the A6-7470K is still unknown, but we do know the pricing of the other two parts. Additionally, AMD also lowered the price of several existing CPUs:
This is the new Wraith cooler, it can handle CPUs with a TDP of up to 125W. AMD claims this HSF will offer better cooling performance and lower noise levels than its D3 stock cooler. The first processor with the Wraith cooler is the AMD FX 8370, but there's a $10 premium versus the original model.
AMD FX™ 8370 Wraith - $199.99 USD AMD FX™ 8370 - $189.99 USD AMD A10-7860K - $117.99 USD AMD A8-7670K - $105.99 USD AMD A8-7650K - $95.99 USD AMD Athlon™ X4 870K - $89.99 USD AMD Athlon™ X4 860K - $79.99 USD AMD Athlon™ X4 845 - $69.99 USD
Additionally, AMD is also working on a new silent cooling solution for CPUs with a TDP of up to 95W:
Source: PC Perspective