Min Cost Permutation (DPBIT) - problem is not clear

#1

Problem is not clear and i cant understand how the answer for given test case is coming out to be 40 please explain question and test case

#2

I think ans is 35
Right?

#3

I hope I’ve cleared your doubt. I ask you to please rate your experience here
Your feedback is very important. It helps us improve our platform and hence provide you
the learning experience you deserve.

On the off chance, you still have some questions or not find the answers satisfactory, you may reopen
the doubt.