Decode the following binary instruction: $0011010000110110.$

Identify the opcode, destination register, and source registers.Describe the operation performed by this instruction in terms of the Fetch$-$Decode$-$Execute cycle.

Describe the operation performed by this instruction in terms of the Fetch$-$Decode$-$Execute cycle to support the following instructions:

ADD R$1,$ R$2,$ R$3$STORE R$4,0$x$0$C

If you were to extend the opcode size from $4$ bits to $5$ bits, how many new instructions could be added?$$