Answer Posted / learner

We have to use call execute to call a macro. For other
answers
1 &(amperson) is used to resolve the macrovariable and not
call macro .
2 Call symput is to define a macro variable dynamical in
data step. useful in data driven programs.

3 symget is to get the macro variable from symbol table and
not call a macro.

Hope it will help..would recomand to double check before
post ..al the best

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