(Consider This) The central idea illustrated by the vignette on "catgut" used as violin strings is:

Implicit costs are ________ and explicit costs are ________

A) costs that involve spending money; also costs that involve spending money B) nonmonetary costs; costs that involve spending money C) costs that involve spending money; nonmonetary costs D) nonmonetary costs; also nonmonetary costs

A worker received $5 for a daily wage in 1930, which has the equivalent value of $63.24 today. If the CPI was 17 in 1930 what is the value of the CPI today, rounded to the nearest whole number?

a. 215 b. 134 c. 17 d. 1.3