Which step of the market-screening process involves determining the income elasticity of the Zulu doll?

Researchers and field workers can make respondents feel comfortable by ________

A) entertaining them B) providing adequate information about the project C) addressing questions of respondents D) all the above E) B and C

The early start for a non-critical activity is always equal to the earliest finish of the preceding activity

Indicate whether this statement is true or false.