Agrant-in-aid is
a. a. transfer payment
c. tax incidence
b. business investment program
d. consumer program

A grant in aid is actually a transfer payment. The correct option among all the options that are given in the question is the first option or option "a". This is the type of payment that is given by the central government in respect to a specific project. The funded program actually runs with a certain degree of independence.

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