The most important factor in location planning for high$-$contact businesses is $\_\_\_\_\_\_\_\_\_\_\_,$ but for low$-$contact business the most important factor in location planning is $\_\_\_\_\_\_\_\_\_\_\_\_.$

Select one:

a$.$

community living conditions; transportation costs

b$.$

availability of labor; proximity to customers

c$.$

transportation costs; proximity to resource supplies

d$.$

proximity to customers; proximity to resource supplies

e$.$

proximity to customers; community living conditions