Accepted characters: numbers, decimal point markers, sign indicators $(-),$ spaces $($e$.$g$.,$ as thousands separator, $5000),"$E$"$ or $"$e$"($used in scientific notation$).$ NOTE: For scientific notation, a period MUST be used as the decimal point marker.

Complex numbers should be in the form $\{$a $+$ bi$\}$ where $"$a$"$ and $"$b$"$ need to have explicitly stated values.

For example: $\{1+1$i$\}$ is valid whereas $\{1+$i$\}$ is not. $\{0+9$i$\}$ is valid whereas $\{9$i$\}$ is not.Merrifield Post Office is evaluating the productivity of its mail processing centres. The centres differ in the degree of automation, the type of work that can be performed, and the skill of the workers.

Centre

$1$

$2$

$3$

No$.$ of workers$/$hr

$10$

$5$

$8$

Hourly wage rate

$5\mathrm{.}50$

$10$

$12$

Overhead rate

$10$

$25$

$50$

Pieces processed$/$hr

$1000$

$2000$

$3000$

Calculate the multifactor productivity for each centre. $($Leave your answers to $2$ decimal places$)$

Centre $1$: Multifactor productivity is pieces processed$/$Cedi spent

Centre $2$: Multifactor productivity is pieces processed$/$ Cedi spent

Centre $3$: Multifactor productivity is pieces processed$/$ Cedi spent

Which centre is the most productive? Centre is the most productive.