Based on Picklist i need to display On Text Field.

Picklist,   Text
PD (NA), 207.7
PD (UK), 174.95
CN (NA), 149
CN (UK), 157.4
CN (Ind), 24.4
CN (China), 24.4
CN (Japan), 120

Through Work flow i have done.

Work Flow Rule Criteria:  True

Field Updation:- 

CASE(Resource_Role__c,"PD(NA)", 207.7, 
"PD(UK)",174.95, "CN(NA)",149, "CN(UK)",157.4,"CN(Ind)",24.4, 
"CN(China",24.4, "CN(Japan)",120, "SS(NA)",134.95, "SS(UK)",128.95, "SS(Ind)",24.4,"EM(NA)",149,"EM(UK)",157.4,"EM(Ind)",24.4,"EM(Japan)",120,"Dev/QA(Ind)",24.4,"FTC Admin(Ind)",24.4, 
null)