Twenty$-$one independent arithmetic$/$logic instructions are to be executed on the ARM processor and on the MIPS processor. What is the theoretical minimum number of clock cycles required to execute this group of instructions on each processor?

a$)(5)$ Clock cycles required on the ARM processor $=\_\_\_\_\_\_\_\_$

b$)(5)$ Clock cycles required on the MIPS processor $=\_\_\_\_\_\_\_\_$