MonthlyCapPreview.kt

@Composable
fun MonthlyCapPreview(monthlyPreview: List<Pair<String, Float>>) {
    val maxMonthValue = monthlyPreview.maxBy { it.second }.second
    Row(
        modifier = Modifier.fillMaxSize(),
        verticalAlignment = Alignment.Bottom
    ) {
        for (pairPreview in monthlyPreview) {
            val columnHeightWeight = pairPreview.second / maxMonthValue
            BarView(
                modifier = Modifier
                    .weight(1f)
                    .fillMaxHeight(columnHeightWeight),
                name = pairPreview.first
            )
        }
    }
}

@Composable
@Preview
private fun BarView(modifier: Modifier = Modifier, name: String = "Jan") {
    Card(
        modifier = modifier.padding(5.dp)
    ) {
        Text(text = name)
    }
}