$2\mathrm{.}1$ Examine the information provided below and answer the following questions. $$ INFORMATION Perfect Refinery Limited $($PRL$)$ refines crude oil into two grades $($Grade A and Grade B$)$ in a single process. The normal loss in refining is $2\%$ of input and process costs are apportioned to the joint products based on volume of output. The following information is provided for the period just ended: $$ Input of crude oil $800,000$ litres at a cost of R$6,101,000$ Conversion costs R$3,307,000$ Output of Grade A $468,000$ litres, sold for R$6,280,000$ Output of Grade B $312,000$ litres, sold for R$3,450,000$ There was no opening or closing inventory in the period and losses of raw material have no value. REQUIRED: For the period just ended: $2\mathrm{.}1\mathrm{.}1$ Prepare the process account, showing both litres and Rand values.$(9$ Marks$)2\mathrm{.}1\mathrm{.}2$ Prepare a statement showing the sales, joint costs and profit or loss of each product, as well as the aggregate totals. $(4$ Marks$)$