A financial analyst for Simon Manufacturing prepared the following report: Customers Customer Level Operating Income Customer Revenue A $5,083.00 $26,250 B $4,464.00 $30,000 C $3,113.00 $15,000 D $1,147.50 $7,300 E $984.80 $5,100 F $844.80 $4,400 G $336.60 $1,800 H $252.00 $4,500 I ($168.00) $2,400 J ($676.00) $2,600 What is the cumulative customerlevel operating income as a percentage of customer level operating income for the top 4 most profitable (operating income) customers?