You are sourcing an assembly component $($item number: C$1210)$ from two suppliers: Supplier A and B$.$

During the previous year, Supplier A delivered components worth $$500,000,$ and there were $10$ instances of late delivery and $200$ defective items that required rework. Supplier B delivered components worth $$200,000,$ with $100$ defective items requiring rework and one occurrence necessitating the return of the entire shipment to the supplier.

The average cost for each type of failure event is as follows:

$-$ Late delivery: $$2,000($per occurrence$)$

$-$ Rework: $$50($per item$)$

$-$ Return to supplier: $$10,000($per occurrence$)$

Below is the unit component price from each supplier:

$-$ Supplier A: $$510($per component$)$

$-$ Supplier B: $$505($per component$)$

What is the Supplier Performance Index $($SPI$)$ of Supplier A$?($round to two$-$digit if needed$)$