Please answer all parts because I am not able to post the questins separately because it all connects. Please and thank you. Please answer all parts.

Brissett Corporation makes three products that use the current constraint, which is a particular type of machine. Data concerning those products appear below: 5 T Required: a. Calculate the contribution margin per minute of machine time for each product. Enter your final answers rounded to 2 decimal places (if needed). Product GK: Product LQ: Product XK: b. Rank the products in order of their current profitability from the most profitable to the least profitable. other words, rank the products in the order in which they should be produced