Please clean the shipping mode variable and keep their full names, UPS Trade Direct,

UPS Express Critical, and UPS Freight. $($Hint: If you use Ctrl$+$F$,$ select replace function to

replace the variable, PLEASE get rid of the extra space for the variables. You don$$t need

to save the functions for this step. Alternatively, use a combination of TRIM,

SUBSTITUTE, and IF functions$)(5$ points$)$

UPS TD $=$UPS Trade Direct

UPS EC $=$UPS Express Critical

UPS F $=$ UPS Freight