Saturn Ltd is undertaking an analysis of supplier costs to evaluate the relative costs and performance of each supplier. For $2022,$ they have isolated a range of activities that are consumed by suppliers, identified activity drivers, and estimated the cost per unit of activity driver.

$\backslash$table$[[$Activity$,\backslash$table$[[$Cost per unit of activity$],[$driver$]]],[$Order Material,$115\mathrm{.}00$ per order$],[$Receive order,$155\mathrm{.}00$ per delivery$],[$Inspect order,$160\mathrm{.}00$ per delivery$],[$Return material to supplier,$145\mathrm{.}00$ per return$],[$Pay supplier,$95\mathrm{.}00$ per invoice$],[$Dispute invoice amount,$280\mathrm{.}00$ per dispute$]]$

In $2022,$ the three major suppliers to the company consumed the following number of activities:

$\backslash$table$[[$Activity$,$Titan Ltd$,$Rhea Ltd$,$Phoebe Ltd$],[$Order Material,$40,56,54],[$Receive order,$40,65,60],[$Inspect order,$40,65,60],[$Return material to supplier,$8,8,9],[$Pay supplier,$20,56,22],[$Dispute invoice amount,$2,0,7]]$

The cost of material purchase from each supplier during $2022$ was as follows:

$$