$1$ Conversions

Perform the following conversion so that each row displays the same value across all three columns in different notations. Assume all values are represented as signed $8-$bit integers. Use two's complement for negative values. $[3$ marks$]$

$\backslash$table$[[$Decimal$,$Binary,Hexadecimal$],[21,,],[,01111001,],[,10011010,],[,,56],[,,$DA$],[-41,11111001,],[,10101000,]]$