(This is nothing Official!  Just approximate Take Home Pay I was computing).
Mutual  50/10 Retirement - 'MSR' edit:
July 25th, 2006
88's (Based on (A=) Short Order 392 Folks)
$916.20 Monthly Basic Benefit  ($50.90 x 18 years)
$896.40 Monthly Temp. Benefit  ($49.80 x 18 years) Credited years do go by tenths,
$1812.60 Monthly Gross   ($21,751 gross year)   so if yours is '18.4' yrs, multiply
-$212 Taxes approx. Fed ($167) & Ohio ($45)   the '$50.90' and $49.80 by '18.4'
$1600.60 Monthly Take Home Pay approx.  
Example, at the end of October I'll have:
18.7 yrs x $50.90 = $951.83 (Basic)
85's (Based on (A=) Short Order 392 Folks) 18.7 yrs x $49.80 = $931.26 (Temp)
$1068.90 Monthly Basic Benefit  ($50.90 x 21 years) For a total of -- $1883.09  
$1045.80 Monthly Temp. Benefit  ($49.80 x 21 years) (minus Fed & Ohio Tax) -199  
$2114.70 Monthly Gross   ($25,376 gross year)   $1684.09 Take Home
-$268 Taxes approx. Fed ($212) & Ohio ($59) (Fed tax calc. Single 2 Exempts +$15 = $151mth)
$1846.70 Monthly Take Home Pay approx.   (If Fed tax calc Single 1 Exemption = $177 mth)
(Ohio Tax would be around $48 mth)  
93's (Based on (A=) Short Order 392 Folks)
$661.70 Monthly Basic Benefit  ($50.90 x 13 years) For your own Credited Service
$647.40 Monthly Temp. Benefit  ($49.80 x 13 years) Basic Benefits, & Temp Benefits,
$1309.10 Monthly Gross   ($15,709 gross year)   call Fidelity Benefit Center:
-$116 Taxes approx. Fed ($91) & Ohio ($25)   1-877-389-2374  
$1193.10 Monthly Take Home Pay approx.   http://www.yourdelphibenefits.com
94's (Based on (A=) Short Order 392 Folks)
$610.80 Monthly Basic Benefit  ($50.90 x 12 years) Federal Tax calculated - Single 1 Exemption:
$597.60 Monthly Temp. Benefit  ($49.80 x 12 years) https://apps.opm.gov/tax_calc/withhold_calc/
$1208.40 Monthly Gross   ($14,500 gross year)  
-$97 Taxes approx. Fed ($76) & Ohio ($21)   FICA taxes not taken out of retirements
$1111.40 Monthly Take Home Pay approx.   (No local/city taxes were figured in)
Comparison with possible future wages:
$16.50 hr / $433 week approx after taxes / $1734 month (approx. after taxes and medical)
$12.50 hr / $321 week approx after taxes / $1248 month (approx. after taxes and medical)
Base Hourly Rate from 9/18/06 onwards:   Basic Benefit  10/1/06 & after:
A - Less than $26.93  (Short Order 392's) equals= A = $50.90  (Short Order 392's)
B - $26.93 but less than $27.22 equals= B = $51.15   Pg 6 & 80 of red 2003
C - $27.22 but less than $28.42 equals= C = $51.40   Pension Plan Book
D - $28.42 & over     equals= D = $51.65  
Base Hourly Rate 9/19/05 to 9/18/06:   Basic Benefit 10/1/05 thru 9/1/06:  
A - Less than $26.15  (Short Order is $25.96) equals= A = $49.85  (Short Order 392's)  
B - $26.25 but less than $26.43 equals= B = $50.10    
C - $26.43 but less than $27.59 equals= C = $50.35    
D - $27.59 & over     equals= D = $50.60    
Temporary Benefit - Mutuals: Page 8 of 2003 red
  $49.80   Pension Plan Book
Ohio Tax - 2006 Witholding Plus of Excess Over:        
$0-$5,000   $0 0.774% $0         of Excess
$5,000-$10,000 $38.70 1.547% $5,000 Ohio Tax Witholding Plus Over:
$10,000-$15,000 $116.05 3.094% $10,000 $40,000-$80,000 $1,392.55 5.416% $40,000
$15,000-$20,000 $270.75 3.868% $15,000 $80,000-$100,000 $3,558.95 6.189% $80,000
$20,000-$40,000 $464.15 4.642% $20,000 $100,000 and over $4,796.75 7.736% $100,000
Union - 330-392-1591 (Please call the Benefit Rep to calculate your own MSR wages).
This is just a possible scenario type personal worksheet I made, it's nothing official!
http://diversityj.com/DelphiGM