#include <bits/stdc++.h>
using namespace std;
void setup()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
}
int n, m, k, a, b, c;
long long t, s[3001], d, e, f, res = 0;
vector<int> v;
int main()
{
setup();
cin >> n >> m >> k >> a >> b >> c >> t;
k -= m;
for (int i = 0; i < m; ++i)
{
cin >> s[i];
}
s[m] = n + 1;
for (int i = 0; i < m; ++i)
{
d = s[i];
e = (s[i] - 1) * b;
for (int j = 0; j <= k && d < s[i + 1]; ++j)
{
if (e > t)
{
break;
}
f = min((t - e) / a, s[i + 1] - d - 1);
if (j == 0)
{
res += f + (i != 0);
}
else
{
v.push_back(f + 1);
}
d += f + 1;
e += (f + 1) * c;
}
}
sort(v.begin(), v.end(), greater<int>());
for (int i = 0; i < min(k, (int)v.size()); ++i)
{
res += v[i];
}
cout << res;
return 0;
}
