Important point to be kept in mind while evaluating ERP software is the total costs that includes $1.$ Cost of license $2.$ Cost of Training $3.$ Implementation and maintenance cost. $4.$ costomisation and hardware requirements costs.

Select one:

a$.$

$1,2,$ & $3$

b$.$

$2,3,$ & $4$

c$.$

$1,2,3,$ & $4$

d$.$

$1,2,$ & $4$