Dakota Products uses a job$-$costing system with two direct$-$cost categories $($direct materials and direct manufacturing labor$)$ and one manufacturing overhead cost pool. Dakota allocates manufacturing overhead costs using direct manufacturing labor costs. Dakota provides the following information: Budget for $2020$Actual Results for $2020$Direct material costs$$2,250,000$$$2,150,000$Direct manufacturing labor costs$1,700,00001,650,000$Manufacturing overhead costs$3,060,0003,217,500$ Required $1.$ Compute the actual and budgeted manufacturing overhead rates for $2020\mathrm{.}2.$ During March, the job$-$cost record for Job $626$ contained the following information: Direct materials used$$55,000$Direct manufacturing labor costs$$45,000$ Compute the cost of Job $626$ using $($a$)$ actual costing and $($b$)$ normal costing$\mathrm{.}3.$ At the end of $2020,$ compute the under$-$ or overallocated manufacturing overhead under normal costing. Why is there no under$-$ or overallocated manufacturing overhead under actual costing?$4.$ Why might managers at Dakota Products prefer to use normal costing?