单选题 A recent report on the Consumer Price Index (CPI) presented the following data for the basket of goods in the apparel category:

Item	Quantity	Price in base period	Price in current period
Men's and boys' apparel	24	$15.60	$16.40
Women's and gifts' apparel	43	$13.90	$14.60
Infants' and toddlers' apparel	5	$19.40	$17.60
Footwear	20	$12.40	$12.80

Based on the data in the table above, the CPI for apparel prices in the current period is closest to:

A. 103.7.
B. 48.3.
C. 1365.4.

【正确答案】 A

【答案解析】Cost of basket in base period =24 × 15.60 + 43 × 13.90 + 5 × 19.40 + 20 × 12.40 = 1317.10. Cost of basket in current period =24 × 16.40 + 43 × 14.60 + 5 × 17.60 +20 × 12.80 = 1365.40. CPI = cost of basket in current period/cost of basket in base period × 100 = 1365.4/1317.1 × 100 = 103.67.