Two machines are currently in use in a process at the Dennis Kira Mfg$.$ Co$.$ The standards for this process are LSL $={\mathrm{.}450}^{\text{'}\text{'}}$ and USL $={\mathrm{.}455}^{\text{'}\text{'}}.$ Machine One is currently producing with mean $={\mathrm{.}453}^{\text{'}\text{'}}$ and standard deviation ${\mathrm{.}0005}^{\text{'}\text{'}}.$ Machine Two is currently producing with mean ${\mathrm{.}4535}^{\text{'}\text{'}}$ and standard deviation ${\mathrm{.}0006}^{\text{'}\text{'}}.$ Which machine has the higher capability index?

Machine One has an index of $($round your response to two decimal places$).$

NEED PARTS $1-3$