Provide the Correct Term for Each of the Following Definitions

Provide the correct term for each of the following definitions:
a. a cost that fluctuates with large changes in level of activity
b. a range of activity over which costs behave as precicted
c. the capacitylevel at which a firm believes it will operate at chring the coming prochuction cycle
d. the difference between actual variable overhead and buclgeted variable overhe ad based on inputs
e. the difference between total actual overhead and total applied overhead
f. the difference between total budgeted overhead based on inputs and applied overhead
g. the difference betwe en actual variable overhead and buclgeted variable overhe ad based on output
h. the difference between actual fixed overhead and budgeted fixed overhead.