Final answer:
The percent of change in Daquan's family groceries cost for 2010 is 9.77% increase.
Step-by-step explanation:
To find the percent of change in Daquan's family groceries cost for 2010, we need to calculate the difference between the two amounts and then find the percent increase or decrease.
Step 1: Calculate the difference: $5840 - $5320 = $520
Step 2: Calculate the percent of change: ($520 / $5320) * 100 = 9.77%
Therefore, the statement that gives the best choice for the percent of change in Daquan's family groceries cost for 2010 is A. The amount spent on groceries increased 9.77% in 2010.