Question 746880
In terms of units:
( number of students ) x ( pay / hour ) x ( hours / week ) = assistants pay / week
{{{ 30*20*8.5 = 5100 }}}
{{{ 20*20*10 = 4000 }}}
The assistance are paid {{{ 5100 + 4000 = 9100 }}} per week
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( number of months ) x ( weeks / month ) = {{{ 9*4 = 36 }}}
Yearly cost = {{{ 36*9100 = 327600 }}} $327,600