Stark Inc. provides the following ABC costing information:

$\backslash$table$[[$Activities$,$Total Costs,Activity Cost Drivers$],[$Account inquiry hours,$$200,000,10,000$ hours$],[$Account billing lines,$$140,000,4,000,000$ lines$],[$Account verification accounts,$$75,000,40,000$ accounts$],[$Correspondence letters,$$25,000,4,000$ letters$],[$Total Costs,$$440,000,]]$

The above activities are used by Departments A and $B$ as follows:

$\backslash$table$[[$Activities$,$Department A$,$Department B$],[$Account inquiry hours,$2,000$ hours,$4,000$ hours$],[$Account billing lines,$400,000$ lines,$200,000$ lines$],[$Account verification accounts,$10,000$ accol$$sts$,8,000$ accounts$],[$Correspondence letters,$1,000$ letters,$1,600$ letters$]]$

Round the MOH rates to three decimal places.

Required:

a$.$ How much of the account inquiry cost will be assigned to Department B$?$

b$.$ How much of the account billing cost will be assigned to Department B$?$

c$.$ How much of the account verification costs will be assigned to Department B$?$

d$.$ How much of the correspondence costs will be assigned to Department B$?$

e$.$ What will be the total costs assigned to Department A$?$