how to change Default Selection value based on another filter value

[grajmca_sgp123]

hi qlik team,

I have two filters Currency  and Customer.  I have created bookmark to show the default selection in Currency  as 'USD' .

My requirement is to change default selection in Currency , If user select the customer value 'A'  , the default selection in currency change to EUR, If user select the customer value 'B'  , the default selection in currency change to INR etc..

Can any one provide suggestions .

Currency Filter

EUR

USD

GBP

INR

Customer Filter

A

B

C

D