The format USCURR. uses the MULT= value of 1.61 and a prefix of $. Any
number you format with the USCURR. format will be multiplied by 1.61 and then
applied to the picture. The picture contains six digit selectors: five for
the salary and one for the dollar sign prefix. LOW-HIGH ensures that all values
are formatted.
picture uscurr low-high='000,000' (mult=1.61 prefix='$');
run;