The total inventory cost = (Enter your response as a whole number.)

The total hiring cost = (Enter your response as a whole number.)

The total layoff cost = (Enter your response as a whole number.)

The total cost, excluding normal time labor costs, is = (Enter your response as a whole number.)

b) Vary overtime only and use a constant workforce of eight.

Fill in the table below. (Enter all responses as whole numbers.)

Month Demand Production (Regular) Overtime Capacity Subcontracting Capacity July 400 August 500 September 550 October 700 November 800 December 700

The total inventory carrying cost = (Enter your response as a whole number.)

The total overtime premium cost = (Enter your response as a whole number.)

The total cost, excluding normal time labor costs, is = (Enter your response as a whole number.)

Consuelo Chua, Inc., is a disk drive manufacturer in need of an aggregate plan for July through December. The company has gathered the following data. There are 8 hours of production per day. Costs 4 hours Holding cost Subcontracting Regular-time labor Overtime labor Hiring cost Layoff cost $8/disk drive/Month $80/disk drive $12/hour $18/hour (above 8 hours) $40/worker $80/worker Other Data Current workforce (June) 8 people Labor-hours/disk drive Workdays/month 20 days Beginning Inventory 150 disk drives Ending Inventory O disk drives *Note that there is no holding cost for June. What will each of the two following strategies cost? a) Vary the workforce so that production approximates demand. Chua had eight workers on board in June. (Enter all responses as whole numbers). Fill in the table below. (Enter all responses as whole numbers. In the hire/layoff column, use positive numbers for hires-plus signs omitted; negative numbers for layoffs.) Plan A Beginning Personnel on Inventory Staff** 150 Units Produced Demand* Month 0 June Hire / Layoff 1 July 400 500 550 2 August 3 September 4 October 5 November 6 December 700 800 700 * No costs are incurred for unmet demand. **When computing "Personnel on Staff," if 0.5 or more of an employee is needed round up and hire one more employee; if less than 0.5, round down