Study the scenario provided below and answer all questions that follow. InSight Limited imports reading glasses from China for sale in a Southern African country. During the 2021 financial year, the company adhered to the policy of importing 6 000 pairs of reading glasses every month. The actual monthly sales of reading glasses by InSight Limited during the 2021 financial year is depicted in Table 2.1 below. The company paid R5 000 to place an order for the reading glasses and a carrying cost of R2.00 for each pair of reading glasses during 2021. January 2021

Table 2.1: Actual sales data for the reading glasses during 2021

Month	Actual Sales (Pairs of reading glasses)
January 2021	2 800
February 2021	3 000
March 2021	5 000
April 2021	4 000
May 2021	5 600
June 2021	8 000
July 2021	8 000
August 2021	7 900
September 2021	6 000
October 2021	4 050
November 2021	4 900
December 2021	5 550

3.3 Suppose that the reading glasses arrive at the premises of Insight Limited 7 days after an order has been placed, determine the level at which Insight Limited had to replenish the stock during 2021 (Assume a 350 working days during 2021).