To calculate the total annual expenditure on specific items. The phrasing of the question is ambiguous, particularly regarding the K20 poker machine loss. Given the multiple-choice options, we will pr

The question asks to calculate the total annual expenditure on specific items. The phrasing of the question is ambiguous, particularly regarding the K20 poker machine loss. Given the multiple-choice options, we will proceed with the most plausible interpretation that leads to one of the answers.

Step 1: Calculate the annual cost of beers.
Mary drinks two 6-pack beers per week, each costing K15.
Weekly beer cost: $2 \times \text{K}15 = \text{K}30$
There are 52 weeks in a year.
Annual beer cost: $\text{K}30/week \times 52 weeks/year = K1