Answer ALL questions.

QUESTION $1$

$(25$ Marks$)$

Casio Glass $C{o}_0,$ a small family run business, manufactures hand$-$blown glass products and has an established reputation for quality going back several decades. Owing to increased demand for its most popular products from customers in the Middle and Far East, Casio Glass Co has focused on manufacturing a single product, a vase available in an array of colours, which has the following cost and selling price structure:

$\backslash$table$[[,$R$/$unit$,$R$/$unit$],[$Selling price,,$280],[$Direct material,$64,],[$Direct labour,$60,],[$Variable overhead,$16,],[$Fixed overhead,${28}_{?},],[,,{168}_{?}$