These costs are developed primarily to be marginal costs and will be assumed to be marginal costs in this paper.
The costs are developed primarily to be marginal costs
The costs are developed primarily not to be marginal costs
William Hornsby feels the picture is bleak around the country.
John's face changed to red.
the biker is sleeping
women are smoking and drinking
I went to Town North and when I saw that guy he remembered me and greeted me by name.
I had no idea regarding that.