Read the extract attached and answer ALL questions that follow

$14$ August $2019$: Value of South Africa's manufacturing sales over the last year

We take a look at the latest manufacturing production and sales numbers published by Statistics South Africa and focus on the value of sales over the last year.

Use Lean Six Sigma $($DMAIC methodology$)$ to improve the manufacturing production of the identified organisation.

$1\mathrm{.}1$ Define the problem

$1\mathrm{.}2$ Measure the impact of the problem using the control limits

$1\mathrm{.}3$ Analyse the root cause using fishbone diagram

$1\mathrm{.}4$ Improve the process of using impact effort metrics

$1\mathrm{.}5$ Control: Maintain the positive results using $($TPM$)$