Develop an MRP spreadsheet record for six periods using the following parameters for the item:

$\backslash$table$[[\backslash$table$[[$Period$],[$Gross requirements$]],,\backslash$table$[[1],[20]],\backslash$table$[[2],[20]],\backslash$table$[[3],[40]],\backslash$table$[[4],[30]],\backslash$table$[[5],[30]],\backslash$table$[[6],[30]]],[,],[,$Lead time,$x,,1$ period,sq$9$i$,,30],[$Get$,$Lot size,$13s-b,,50$ units,$2926,$nobrc,$$rins$],[,$Safety stoc,,,$0$ units,$0,22$:$s=,1$;$0=$