Liquid limit $($Casagrande$)$ and plastic limit tests were taken at laboratory to determine the Atterberg limits of a soil sample. Results are given in the table below.

According to results, calculate and fill in the blanks;

a$)$ Liquid limit

b$)$ Plastic limit

c$)$ Plasticity index and degree

$\backslash$table$[[,$Liquid Limit,Plastic Limit,$],[$Number of blows,$40,26,15,-,-],[$Wet sample$+$tare $($gr$),56,2,69,70,8,37,9,41,6],[$Dry sample$+$tare $($gr$),47,1,58,5,57,8,34,6,37,7],[$Amount of water $($gr$),,,,,],[$Tare $($gr$),28,7,38,33,4,21,6,22,8],[$Dry soil $($gr$),,,,,],[$Water content $(\%),,,,,]]$