Estimate the following by rounding each number to hundreds; then divide to get the exact answer. As the IT manager for FastNet Enterprises, you have maintained records of the average

Estimate the following by rounding each number to hundreds; then divide to get the exact answer.
As the IT manager for FastNet Enterprises, you have maintained records of the average prices you’ve paid for PCs over the years. In 2005, you purchased 12 laptop computers and 15 desktop computers for your office staff. Using the graph Average PC Prices, answer the following:
a. What was the total amount of the purchase for these computers in 2005?
b. In 2012, you replaced all of the computers with new ones. What was the total amount of the purchase for these computers?
c. In total, how much did you save in 2012 over 2005 because of falling computer prices?

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