A processor has a clock rate of $2$ GHz and executes a program. It has six stages as shown in the table below, with each stage requiring the indicated number of cycles. Note that the time for one cycle is $1/($clock rate$).$

Instruction Fetch

Instruction Decode

Calculate

Operands

Fetch

Operands

Execute

Instructions

Write

Operand

$4$ cycles

$3$ cycle

$3$ cycles

$4$ cycles

cycles

$3$ cycles