For a restaurant owner to purchase a pizza oven at a total price of $\mathrm{13,000}$ dollars, a onetime down payment is required, and then fixed monthly payments are made for the remaining amount owed for the pizza oven. The equation $\mathrm{13,000}=\mathrm{2,800}+200t$ represents this situation, where $t$ is the number of fixed monthly payments that are made. Which of the following is the best interpretation of $200$ in this context?