15. Production overhead comprises:

A. variable overheads only

B. indirect labour, indirect material and indirect expenses related to production activity

C. indirect expenses only

D. indirect labour and material related to the production activity

16. Overhead allocation is the process of:

A. the charging of overhead to cost units

B. the allotment of proportions of items of cost to cost centres or cost units

C. the charging of direct material to jobs

D. the allotment of whole items of cost to cost centres or cost units