I don't know how to start with this question. Anyone can offer help?
data want;
start='01jan2020'd;
date='20dec2020'd;
do i=start to date;
if weekday(i)>1 then balance=ifn( weekday(i)=7,sum(balance,25),sum(balance,20));
end;
wday= weekday(date);
keep date balance wday;
format date mmddyy10. balance dollar10.;
run;
proc print noobs;run;
data want;
start='01jan2020'd;
date='20dec2020'd;
do i=start to date;
if weekday(i)>1 then balance=ifn( weekday(i)=7,sum(balance,25),sum(balance,20));
end;
wday= weekday(date);
keep date balance wday;
format date mmddyy10. balance dollar10.;
run;
proc print noobs;run;
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