Jaguh Co manufactures smartphones and tablets. Its main customers are retailers who then sell to the general public. The company's manufacturing is spread across five sites and goods are stored in its nine warehouses located across the country. You are an audit supervisor of Amin & Co and in preparation for the forthcoming audit for the year ending 30 June 2019, you are reviewing the following notes your audit manager has provided you with in relation to the company's internal controls.

Jaguh Co has a small internal audit (IA) department. During the year, IA started a programme of physically verifying the company's assets and comparing the results to the non-current assets register, as this type of reconciliation had not occurred for some time. To date only 15% of assets have had their existence confirmed as IA has experienced significant staff shortages and several members of the current IA team are new to Jaguh Co.

During the year, Jaguh Co conducted an extensive reorganisation of its manufacturing process to improve efficiency. Due to the significant number of employee changes required, the human resources department (HR) has been very busy and to ease their workload during this period, the payroll department has assisted by setting up any new employees who have joined the company. In January 2019, the HR director increased the wage rate paid to employees and he notified payroll by emailing the payroll supervisor.

New sales ledger system was introduced in May 2018 and will continue to be run in parallel with the old system until IA has completed its checks between the two systems. New customers obtained by the sales team are required to undergo a full credit check; on the basis of this, a credit limit is proposed by sales staff and approved by the sales director and these credit limits remain static in the sales system.

Monthly perpetual inventory counts are undertaken at each of the nine warehouses, as a full year-end inventory count is too disruptive for the company. High value items are stored in a secure area in each warehouse. Access is via a four-digit code, which for convenience is the same across all sites. Due to the company's reorganization programme, some of the monthly inventory counts were not performed.

An accounts clerk undertakes bank reconciliations monthly and details of all reconciling items are included. Where the sum of the reconciling items is significant, the reconciliation is sent to the financial controller for review. In order to maximize cash balances, the finance director approves all purchase invoices for payment 75 days after receipt of the invoice.

Required:

a)Prepare Engagement Letter to Jaguh Co for financial year end June 2019