Wangerin Corporation applies overhead to products based on machine hours. The denominator level of activity is 8,200 machine hours. The budgeted fired manufacturing overhead costs are $296.840. In April, the actual fixed manufacturing overheed costs were $302,580 and the standard machine-hours allowed for the actual output were 8,500 machine hours. Required: a. Compute the budget variance for April b. Compute the volume variance for April indicate the effect of each variance by selecting "P" for favorable. "U" for unfavorable, and "Mone" for no effect (ie, zers variance). Input all amounts as positive values.) Budget variance Volume varande