The cost goods and services produced at home a. and most goods and services produced illegally are included in GDP. b. are included in GDP while most goods and services produced illegally are excluded...

The cost goods and services produced at home
a.    and most goods and services produced illegally are included in GDP.
b.    are included in GDP while most goods and services produced illegally are excluded from GDP.
c.    are excluded from GDP while most goods and services produced illegally are included in GDP
d.    and most goods and services produced illegally are excluded from GDP.