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The following SAS program is submitted:


data work.empsalary;
set work.people (in = inemp)
work.money (in = insal);
if insal and inemp;
run;


The SAS data set WORK.PEOPLE has 5 observations, and the data set WORK.MONEY has 7 observations. How many observations will the data set WORK.EMPSALARY contain?

A. 12
B. 7
C. 5
D. 0