Depends on who made it, how old it is, parts orginality, history, etc.. It could range from 100-1500 USD.
What ever the buyer is willing to pay
It would have to be custom built
60-200 USD or so
Depends on condition and originality. Going rate for a good condition M1 Carbine is about $700-$800.
There are variations between early and late models. Value will depend on condition, originality, and EXACT model. Values typically run anywhere from $400 for an average Underwood, to over $2000 for the scarce early models. You will need a hands on appraisal.
The Rockola is one of the more collected names in carbines. Value is going to depend on EXACT condition, originality, any paperwork with the rifle, etc etc. It will need a hands on appraisal from someone that knows carbines- but for an excellent grade, may be $1000-$1400. Lesser condition, less $$$
1800 mi / 30 hr = 60 mi/hr
The Saginaw Steering Gear Division of General Motors, in Grand Rapids MI. See link at bottom of this page
Answer: 30 km = 18.6411 mi.
30 miles taking I-75 NORTH.
$200-$250 used, depending on condition; $300-$350 new in box with all accessories.
Dough Re Mi ended on 1960-12-30.