3years ago, you bought a pickup truck for $15,300. now, your purchase is only worth $6,857. what will the pickup truck be worth in 5 years if the value decays at an exponential rate rounded to the nearest dollar? hint: we’re solving for when t=8, since we bought the pickup truck 3 years ago, and are looking forward to another 5 years.

Primary sources contain information

A. with the advantage of hindsight and the perspective of an outside observer and may be more objective.
B. provided by someone who's been through an event. It's a firsthand account that lends a unique perspective.
C. on statistics gathered after an important historical event.
D. on psychological information gathered from raw data from psychological tests.

The answer would be 7 cages