Phantom Ltd$.$ uses a normal job$-$costing system and applies overhead on the basis of direct labour$-$hours. At the beginning of the year, the sompany estimated that total overhead costs for the year would be $$132,000,$ and it budgeted total labour$-$hours of $12\mathrm{.}000.$ Actual labour$-$hours worked for the period January $1$ to November $30$ were $13,250$

On December $1,$ the company had three jobs in process:

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During the month of December, the following costs were incurred by job:

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In addition, the company incurred the following costs during the month of December $($these costs have not yet been recorded in the books$)$

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Required

Calculate the budgeted overhead rate used by Phamom.

Calculate the unit cost of ending work$-$in$-$process inventory ansuming that the number of units in the job$($s$)$ total $260$ units.

Calculate the cost of goods manufactured and the unadjusted gross margin for the month of December.

$4$ Calculate the amount of over$-$ or underallocased overhead for the year.