If more and better technology is used for producing wheat in the United States than in a lesser$-$developed country, then the:

a$.$ MRP of the U$.$S$.$ workers will be higher than the MRP of the workers in the lesser$-$developed country.

b$.$ MRP of the U$.$S$.$ workers will be lower than the MRP of the workers in the lesser$-$developed country.

c$.$ price of wheat will be higher in the United States than in the lesser$-$developed country.

d$.$ demand for the U$.$S$.$ workers will be lower than the demand for the workers in the lesser$-$developed country.