All of the fractions are processed further in other refining units. Raw or unprocessed crude oil is not generally useful in industrial applications, although light, sweet (low viscosity, low sulfur) crude oil has been used directly as a burner fuel to produce steam for the propulsion of seagoing vessels.
1 Tuxedo or suit costs vary, depending on whether the groom rents or buys. 2  On the low end, tuxedo rentals start at about $50 to $100 for rental of a basic wool tuxedo and vest. 3  In the mid-range, a groom can buy a nice suit for between $300 and $800.
Solving this for gives, so they must sell 700 newspapers in order to break even. 3) The cost of renting tuxes for the Choral Society's formal is $20 down, plus $86 per tux. Express. the cost C as a function of x, the number of tuxedos rented. Solution: Since it costs $20 regardless of how many tuxes you rent, this is the fixed cost. Since itâs $86 per tux, this is the marginal cost. The cost function is thus. Use your function to answer the following questions. a) What is the cost of renting 5 tuxes? Solution: Plug 5 into the cost function to find the cost to rent 5 tuxes: So it costs $450 to rent 5 tuxes.