Management accounting

Overtime premium: $24000$

Premise rental$(40\%$ office$)$: $80000$

Carriage inwards of material: $4000$

Calculate:

a$.$ Prime cost

b$.$ Manufacturing overhead

c$.$ Conversion cost

d$.$ Period cost$/$ non$-$inventoriable cost

e$.$ Product cost$/$ inventoriable cost

f$.$ Total manufacturing cost

g$.$ Cost of goods manufactured

h$.$ Cost of goods sold

i$.$ Gross margin

j$.$ Net margin