Lly Corporatioo manufactures a sinele product. The standard cost per unit of product is shown below The predetermined mamilactueing overhead rate is 512 per divect labor hour is $400+200. If was computed from a maver mandacturine overhead budert based on normal production of 11.800 direct laber hours 15 , po0 unitul for the month. The master budget showed total variable costs of $70.800 ( 56.00 per houl) and total foed overhead costs of $70.800 ( $6.00 per hour) Actual conts for Cetober in producirgt 3 .200 units were as follown The purchsing department bups the quantitei of raw materials that are espected to be und in peoduction each manth. Raw magerali imentoriet, therefore, can be imaned (a) (a) (b) Compute the total overhead yariance Total overtead variance