Answer:
call strike price $70
call premium received $5
put strike price $60
put premium paid $6
you pay $5 - $6 = -$1
stock price
$51 $65 $71
stock value $51 $65 $71
put value $9 - -
call value - - -$1
premium paid -$1 -$1 -$1
net stock value $59 $64 $69
total # of stocks 5,800 5,800 5,800
portfolio's value $342,200 $371,200 $400,200