Indicate Whether Each of the Following Costs Is a Product

Indicate whether each of the following costs is a product cost or a period cost.Assume a manufacturer.
A)_________ Direct materials used in factory
B)_________ Factory utilities
C)_________ Salespersons' commissions
D)_________ Salary of plant manager
E)_________ Indirect materials used in factory
F)_________ Depreciation expense on store equipment
G)_________ Indirect labor incurred in factory
H)_________ Advertising expense
I)_________ Direct labor incurred in factory
J)_________ Factory machinery repairs and maintenance
K)_________ Depreciation expense on factory machinery
L)_________ Supplies used in store
M)_________ Plant insurance expired