In the table below, give the missing representations for each number

$\backslash$table$[[$Decimal number,$\backslash$table$[[1\text{'}$sC$],[$representation$]],\backslash$table$[[$Signed$],[$representation$]],\backslash$table$[[$BCD$],[$representation$]]],[..........................,,,10010111],[............................,1110010,..............................,],[36,,,........................],[..........................,............................,101100111,],[-55,............................,........................,]]$

Perform the following operations in $1\text{'}$SC on $8$ bits

$89-67$

$35-46$

$23-78$

Perform the following operations in BCD

$34+25$

$56+36$