Restaurant Openings

Pizza

Can be immediately before or after Salad Bar

Italian

Before Salad Bar

Salad Bar

Must be after the $15$th

Coffee Shop

Not first or last

Sandwiches

Must be after Salad Bar

Question

The on site cafeteria is opening $5$ new restaurants this month. Each will have a grand opening for $4$ consecutive weekdays when the office is open. The company is closed on the first and third Friday. What are the first and last dates of the Coffee Shop's grand opening?

Calendar

$\backslash$table$[[$SUN$,$MON,TUE,WED,THU,FRI,SAT$],[7,1,2,3,4,5,6],[14,8,9,10,11,12,13],[21,15,16,17,18,19,20],[,22,23,24,25,26,27]]$