machine time to produce. Additional information follows:machine time to produce. Additional information follows:

$\backslash$table$[[$Activity$,$Allocation Base,Cost Allocation Rate$],[$Materials handling,Number of parts,$$4\mathrm{.}75$ per part$],[$Machining$,$Machine hours,$$4\mathrm{.}00$ per machine hour$],[$Assembling$,$Number of parts,$$4\mathrm{.}50$ per part$],[$Packaging$,$Number of finished units,$$7\mathrm{.}75$ per finished unit$]]$

What is the cost of assembling per toy?

A$.$ $$142\mathrm{.}50$

B$.$ $$135\mathrm{.}00$

C$.$ $$15\mathrm{.}50$

D$.$ $$8\mathrm{.}00$

$\backslash$table$[[$Activity$,$Allocation Base,Cost Allocation Rate$],[$Materials handling,Number of parts,$$4\mathrm{.}75$ per part$],[$Machining$,$Machine hours,$$4\mathrm{.}00$ per machine hour$],[$Assembling$,$Number of parts,$$4\mathrm{.}50$ per part$],[$Packaging$,$Number of finished units,$$7\mathrm{.}75$ per finished unit$]]$

What is the cost of assembling per toy?

A$.$ $$142\mathrm{.}50$

B$.$ $$135\mathrm{.}00$

C$.$ $$15\mathrm{.}50$

D$.$ $$8\mathrm{.}00$