need C2 please the answer I keep getting says it's not right.

Klinkhammer Corporation estimated overhead for the year as follows: fixed = $720,000; variable = $4 per unit. Klinkhammer expected to produce 72,000 units for the year. a. Compute the per unit rate that will be used to apply overhead costs to products. b. During the year, Klinkhammer incurred actual overhead costs of $1,104,000 and produced 74,400 units. Compute the overhead applied to units produced. c-1. Compute the amount of under- or overapplied overhead. c-2. Compute the amount of the spending and volume variances. d. What caused applied overhead to be different from budgeted overhead? Complete this question by entering your answers in the tabs below. Req A Req B Req C1 4 Reg C2 Req D Compute the amount of the spending and volume variances. (Indicate the effect of each variance by selecting "Favorable" or "Unfavorable". Select "None" and enter "0" for no effect (i.e., zero variance).) Spending variance Unfavorable Volume variance Favorable Req D >