Study the information provided below and answer the following questions.

INFORMATION

Paulshron Enterprises $($PE$)$ makes three different types of high$-$end air conditioners: the ceiling type $($A$1$X$),$ the cassette type $($A$2$X$),$ and the wall$-$mounted type $($A$3$X$).$ The data provided below relates to the three types of the air conditioners for the current year:

Annual production and sales $($units$)$ Selling price per unit, R

Direct labour per unit, minutes Direct material cost per unit, R Actual overhead cost per unit, R

Total direct labour cost is R$3000$ per hour.

REQUIRED:

$($A$1$X$)$

$4503600018080007100$

$($A$2$X$)$

$3754500012065505300$

$($A$3$X$)$

$5005000090$

$84004400$

$3\mathrm{.}1.$ Calculate labour productivity $($in Rands per labour hour$)$ for each type of air conditioner $($round off answers to the nearest Rand, where necessary$).$

$3\mathrm{.}2.$ Calculate the current multifactor productivity of Paulshron Enterprises $($show all calculations and round off answer to two decimal places$).$

$3\mathrm{.}3.$ Paulshron Enterprises plans to increase the selling price of each of the three types of air conditioners by $5\%,$ and the total direct labour cost is projected to increase to R$3200$ per hour next year. Calculate the expected multifactor productivity of Paulshron Enterprises next year $($Show all calculations and round off the answer to two decimal places$).$

QUESTION $4$

$(6$ marks$)(8$ marks$)(6$ marks$)$

$(20$ Marks$)$