Manufacturing costs

Manufacturing Cost
According to 'Swift, K.G. & Booker, J.D. , Process selection: From design to manufacture', the Manufacturing cost = material cost + processing cost.
This can be spit up further, processing cost consisting of basic processing cost multiplied by the relative cost coefficient. Hence the new equation will be: Manufacturing cost = material cost + (Basic Processing cost*Relative Cost Coefficient).

Relative Cost Coefficient
The equation for the Relative Cost Coefficient is : Rc = Cmp.Cc.Cs.Ctf, where:

'Cmp' is the material process suitability
'Cc' is the component geometry
'Cs' is the size, thickness consideration
'Ctf' is the tolerance/surface finish

All of these unknowns should already be held available by the design team except for the 'Cmp'.
The 'Cmp' is dependant on the process used to manufacture and can be found from the 'From design to manufacture' book.
Hence the new equation will be Manufacturing cost = material cost + (Basic Processing cost*(Cmp.Cc.Cs.Ctf))

References:
'Swift, K.G. & Booker, J.D. , Process selection: From design to manufacture'.