The first instruction is located in memory location $2000,$ and the last instruction is located at:$>($a$)$ MEMORY LOCATION $2017($b$)$ MEMORY LOCATION $2018($c$)$ MEMORY LOCATION $2019($d$)$ NONE OF THE ABOVE$(4)$ The first and last instructions are: $>>>>($a$)1$ BYTE instruction$($b$)2$ BYTE instructions$($c$)3$ BYTE instructions$($d$)$ NONE OF THE ABOVE