(B)Suppose Yummy Restaurant Chain has a budgeted revenue and an actual revenue for the month of April 2021 at the same level of $680,000. Below are the comparisons between budgeted and actual expense for the same period:

Budgeted Actual

i) Cost of materials 130,000 150,000

ii) Wages of operative staff 98,000 83,000

iii) Utilities expenses 11,200 15,850

Please determine whether each of the items from (i) to (iii) above is favourable or adverse. (6 marks)