Considering the graph G shown in Figure 9.1

The cost of a given amount of computing power has _____.

a. depended on the current economy b. stagnated over the last five decades c. decreased drastically over the last five decades d. decreased slightly over the last five decades

Access adds ________ around field names to denote that the data will come from an existing field

A) quotation marks B) dollar signs C) parentheses D) square brackets