At the fair, a ticket for the giant roller coaster costs $3 for an adult and $2 for a child under twelve. The chart below gives the total number of people who rode the roller coaster over the last two days.
Adults Children
Saturday 488 308
Sunday 518 294
What computation will give an approximate total of the amount of money collected at the roller coaster for the two days?

5(1,600)
3(900) + 2(500)
3 + 1,000 + 2 + 600
3(1,000) + 2(600)