The simple interest formula is A=P⁢(1+r⁢t) Landon takes out a personal loan of $⁢8,000 with an annual interest rate of 8% for 4 years. How much interest will he pay in total?

Use the simple interest formula I = Prt, where P = $8,000, r = 0.08, and t = 4 years. The calculation is $8,000 × 0.08 × 4 = $2,560. Landon will pay $2,560 in interest, which is choice D.

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