One way to determine the validity of the portfolio method is to
- ask consumer juries to rate a selection of layouts presented in pasteups on separate sheets.
- correlate its results with readership scores once an ad is placed in a field.
- use the order of merit or paired comparison methods.
- compare the psychological measures used in print and broadcast methods.
- use the flesch formula to assess readability of an copy.

Time value an iowa state savings bond can be converted to $750 at maturity 5 years from purchase. if the state bonds are to be competitive with u.s. savings bonds, which pay 5% annual interest (compounded annually), at what price must the state sell its bonds? assume no cash payments on savings bonds prior to redemption. ignore taxes.

The purpose of the transportation approach for location analysis is to minimize which of the following? a. total costsb. total fixed costsc. the number of shipmentsd. total shipping costse. total variable costs

Which of the following best explains how trade enables greater specialization among producers? a. trade diversifies the market by bringing specialized goods from around the world. b. trade requires distribution networks and adds one more step to the production process. c. trade enables producers to open up new markets for their goods and services. d. trade allows people to focus on one kind of production and trade for their other needs.