Acomputer manufacturer built a new facility for assembling computers. there were construction and new equipment costs. the company paid for these costs and made combined profits of $10 million after 4 years, as shown in the graph:

there is a graph of a line with years on the x axis and profits in millions on the y axis that passes through 0, negative 20 and 4, 10.

which equation most closely represents the line depicted in the graph?