slope intercept form is y = mx + b where m is the slope of the line and b is the y intercept (where it hits the y axis)
slope intercept form is y = mx + b where m is the slope of the line and b is the y intercept (where it hits the y axis)
and in case it matters, the cost of the item would be Cost = p + (p x 0.08) = p x (1.08)