Table $1.$ Distance between points $($miles$)$

Sunrise Baskets Production Center Market $1$ Market $2$ Market $3$ Market $4$ Market $5$

Sunrise Baskets Production Center $-2029191823$

Market $120-24201526$

Market $22924-273532$

Market $3192027-2830$

Market $418153528-21$

Market $52326323021-$

Table $2.$ Baskets sold in the previous $7$ days

Day $($i$)1234567$

Baskets sold $($v$($i$))22202124231714$

If he applies the algorithm to the data found in Table $2,$ what is the value of the variable $$forecast$$ at the end of the algorithm on day $8?$