Opportunity cost means that something needs to be replenished. given up. ignored. paid for.

Opportunity cost means that something needs to be (B) given up. 

Opportunity cost happens when you desire to buy 2 items but you can only afford to pay for 1. The value of the opportunity cost will be the value of the item you have to forgo or give up. 

For example, you want to buy jeans and a jacket. Jeans costs $20 while the jacket costs $25. You only have $30. So, you can only buy one item. If you buy the jeans, you opportunity cost is 25 for the jacket. If you buy the jacket, your opportunity cost is 20 for the jeans.

B) GIVEN UP! B) GIVEN UP! B) GIVEN UP! B) GIVEN UP!

mesopotamian code of hammurabi

and i think its 1860 b.c. you mean lol

well this is going to be a long answer lol ok so the visigoths were a branch of the goths who frequently raided rome, uh the hunas attacked the guptas a lot and weakened them, uuhm of course the romans used math and science in there every day lives i mean they had a whole empire to run, and rome was split into east and west by a general named diocletian. hope this you! : )