The following variable production costs apply to goods made by Solomon Manufacturing Corporation:

Item Cost per Unit

Materials $$12\mathrm{.}00$

Labor $7\mathrm{.}00$

Variable overhead $0\mathrm{.}25$

Total $$19\mathrm{.}25$

Required

Determine the total variable production cost, assuming that Solomon makes $5,000,15,000,$ or $25,000$ units.