Co. was organized to sell a single product that carries a 45-day warranty against defects. engineering estimates indicate that 22% of the units sold will prove defective and require an average repair cost of $60 per unit. during backpack's first month of operations, total sales were 900 units; by the end of the month, five defective units had been repaired. the liability for product warranties at month-end should be:

Oerstman, inc. uses a standard costing system and develops its overhead rates from the current annual budget. the budget is based on an expected annual output of 120,000 units requiring 480,000 direct labor hours.(practical capacity is 500,000 hours)annual budgeted overhead costs total $772,800, of which $556,800 is fixed overhead. a total of 119,300 units, using 478,000 direct labor hours, were produced during the year. actual variable overhead costs for the year were $260,400 and actual fixed overhead costs were $555,450.required: 1. compute the fixed overhead spending variance and indicate if favorable or unfavorable.2. compute the fixed overhead volume variance and indicate if favorable or unfavorable.