1. The Bloomington Bike Company produces two models: the Basic and the Supra. Herb Hoosier, the owner, plans to assemble 10 Basics and 15 Supras In each week during periods 4 to 8. Product structure trees for each bike are shown below: B S M K(2) F(3) F(2) W(2) Develop a materials requirement plan (MRP) for component parts X and F over the next eight weeks. Data on all lead times, current inventory and ordering rules are given below: Scheduled receipts are: Period 1: 20 B's, 18 W's; Period 2: 20 S's, 15 F's. A sample MRP table is provide below. ITEM LEADTIME (WKS) ON HAND LOT-SIZING RULE B 2 5 Lot-for-lot S IN Lot-for-lot 5 Multiples of 25 Multiples of 12 10 Multiples of 30 3 Lot-for-lot 15 Multiples of 30 3 1 0 Lot-for-lot 1 2 3 14 6 7 8 Gross requirements Schedule receipts Projected on hand Net requirements Planned order receipt Planned order release 2. A firm makes car seats for an automaker in two varieties: leather and fabric. The standard labor-hours for these are 1.2 and 1.0 hours, respectively. The seats are made in two work centers, sewing and assembly, where the average percentage of work has been 40 percent