Sally is about to start overhead allocations. The allocation of overhead costs requires which of the following steps: 1. Identifying the overhead cost driver. 2. Calculating a predetermined overhead rate per unit of product. 3. Calculating a predetermined overhead rate per unit of cost driver. 4. Applying overhead costs to products.

a.

1, 2 and 3.

b.

2, 3 and 4.

c.

1, 2 and 4.

d.

1, 3 and 4.

e.

All of the above