In one's lobbying efforts, it is a good principle to make straightforward presentations to members of trade associations

A reading service for visually impaired people requires each reader applicant to prepare and submit a one-hour interview tape of material chosen by the service to determine whether the reader has pleasing vocal characteristics and is accent-free so that it is not necessary to use the same reader every time. The reading service is trying to limit problems associated with which service characteristic?

a. heterogeneity b. tangibility c. flexibility d. credence quality

The IRS local offices process most individual tax returns

a. true b. false