, 2𝑥𝑈𝑥𝐶
a) EOQ = √ 𝐻
2 𝑥 100 000 𝑥 25
=√ 1.10+12%
=2024 units
100 000
TOTAL ORDERING COSTS = 2024 𝑥 25
= 1 235.18
2024
TOTAL CARRYING COSTS = 2 𝑥 (1.10 + 12%)
= 1 234.64
Therefore, Total inventory cost is:
= 1 235.18 + 1 234.64
= 2 469.82
b) TOTAL LABOUR COST
Normal wage {(45hrs x 48weeks x R50p/h)x 5 employees} 540 000
Overtime wage 13 125
1 employee [(25hrs x (R50 x 2.5)] 3 125
4 employees [(20hrs x (R50 x 2.5)x4] 10 000
Gross remuneration 553 125
Pension fund contribution (540 000 x 9%) 48 600
UIF contribution (553 125 x 1%) 5 531.25
Medical aid contribution 42 743.75
Total labour cost 650 000
a) EOQ = √ 𝐻
2 𝑥 100 000 𝑥 25
=√ 1.10+12%
=2024 units
100 000
TOTAL ORDERING COSTS = 2024 𝑥 25
= 1 235.18
2024
TOTAL CARRYING COSTS = 2 𝑥 (1.10 + 12%)
= 1 234.64
Therefore, Total inventory cost is:
= 1 235.18 + 1 234.64
= 2 469.82
b) TOTAL LABOUR COST
Normal wage {(45hrs x 48weeks x R50p/h)x 5 employees} 540 000
Overtime wage 13 125
1 employee [(25hrs x (R50 x 2.5)] 3 125
4 employees [(20hrs x (R50 x 2.5)x4] 10 000
Gross remuneration 553 125
Pension fund contribution (540 000 x 9%) 48 600
UIF contribution (553 125 x 1%) 5 531.25
Medical aid contribution 42 743.75
Total labour cost 650 000