Using lab $7$ with a two$-$day lead time $($all original values$),$ if we increased the min and max by $5\%$ each $($from original values$),$ the total cost would be Blank $1$ Question $1.$ However, if we increased the min and max by $10\%$ each $($from original values$),$ the total cost would be Blank $2$ Question $1.$ Lastly, if we increased the min and max by $15\%$ each $($from original values$),$ the total cost would be Blank $3$ Question $1.$ Therefore, increasing the min and max by Blank $4$ Question $1$ would be the best scenario to minimize the overall cost, while increasing the min and max by Blank $5$ Question $1$ would be the worst scenario.