Milford Manufactures is trying to develop its master schedule for the next $8$ weeks. Below, you will find the forecasted values for Weeks $1$ through $8$ and the actual customer orders for Weeks $1$ through $4.$

Week

$1$

$2$

$3$

$4$

$5$

$6$

$7$

$8$

Forecast

$150$

$150$

$150$

$150$

$140$

$140$

$160$

$160$

Customer Orders

$125$

$130$

$145$

$160$

$$

The on$-$hand inventory for Week $1$ is $30$ units and the MPS lot size is $190$ units.

What would be the available$-$to$-$promise quantity in Week $4?$