8. General Business Tax Credit. (Obj. 3) a. Which credits discussed in the chapter are combined into the general business credit? b. What option is available to taxpayers who are unable to use all of the general business credit from their tax liability in the current year? c. When the general business credit is carried to other tax years, in what year order are the carryover credits used? If general business credits from more than one year are carried over, in what order are they used