A company hires you to develop a linear regression forecasting model. Based on the company's historical sales information, you determine the intercept value of the model to be $1,200.$ You also find the slope value is $-50.$ If after developing the model you are given a value of $x=10,$ which of the following is the resulting forecast value using this model?

a$.1,230$

b$.-1,800$

c$.700$

d$.1,150$

e$.12,000$