The total cost off wwi was altogether 186,3 billion dollars.

fixed and variable costs

what is the differnce between total cost ownership and procurement under the lowest purchasing price philosophy?

how much does 3 yards of concrete cost

That depends on what school you are attending. Also total cost could include housing, meals, and transportation. Better start with the school, get its figures on cost, and then find out what additional expenses will apply at that institution.