The following values represent advertising rates paid by a regional catalog retailer that advertises either on radio or in newspapers:

a. Determine a relative index for each type of advertisement using year 1 as the base year.
b. Determine an unweighted aggregate index for the two types of advertisement.
c. In year 1, the retailer spent 30% of the advertisement budget on radio advertising. Construct a Laspeyres index for the data.
d. Using year 1 as the base, construct a Paasche index for the same data.