A manufacturing company uses process costing. Direct materials are added at the start of production. Conversion costs are incurred uniformly throughout production. On June $1,$ work$-$in$-$process consisted of $600$ units with the following costs: $$3,700$ direct materials; $$2,200$ conversion costs. On June $1,$ direct materials inventory and finished goods had zero units.

During June, the company started $8,200$ units. For the month, there were $7,800$ units completed while ending work$-$in$-$process consisted of $1,000$ units that were $20\%$ complete regarding conversion effort. The company sold $5,000$ units during June for $$15$ each $($cash sale$).$

During June, the company reported the following costs $($company paid cash for all items except depreciation$)$:

$$55,700$ raw materials purchased and used in produrtion

$12,000$ wages of production workers

$13,800$ manufacturing overhead $(5,000$ electric; $8,800$ depreciation$)$

$10,000$ selling expenses $($salaries of sales force$)$

Required

$(1)$ Provide all journal entries. Journal entries include: purchase and use of DM; incurrence of conversion costs; completion of units; sale of units; salaries of sales force.

$(2)$ Prepare GAAP income statement for June.

$(3)$ Determine ending balance $($June $30)$ for work$-$in$-$process and finished goods.