Calculate Variances

The following summary data relate to the operations of Dobson Company for April, during which $9,000$ finished units were produced. Normal monthly capacity

$\backslash$table$[[$b$,\backslash$table$[[$Standard$],[$Units$],[$Costs$]],\backslash$table$[[$Total$],[$Actual$],[$Costs$]]],[$Direct material,,$],[$Standard $(4$ lb$.$ e $$4\mathrm{.}20lb),$$$16\mathrm{.}80,],[$Actual e $\frac{84\mathrm{.}10}{b},,$$$155,800$