CFA mock AM Akron case

Can anyone help me explain how to solve question 42.

When a table is given for level, steepness and curve.

Thank you!

also interested to know, thanks!

Help!!!

https://www.analystforum.com/forums/cfa-forums/cfa-level-ii-forum/91358367

https://www.analystforum.com/forums/cfa-forums/cfa-level-ii-forum/91359476

Thank you do much!!! That helped alot!!!