$4\mathrm{.}7\mathrm{.}1$ Topley Ltd manufactures a variety of products. The budgeted costs and estimated operating information are as follows:

$\backslash$table$[[$Accounting information,$],[$Machine set$-$ups,$250000],[$Inspections$,187500],[$Materials handling,$375000],[$Materials procurement,$437500],[$Production$,625000],[$Total overheads,$1875000],[$Operating information,$],[$Machine hours,$50000],[$Material usage $($kg$),250000],[$Machine set$-$ups,$1000],[$Purchase orders,$12500],[$Inspections$,1500]]$

Required

Calculate a single overhead rate for the entire plant using machine hours as the basis for allocation.