On the diagram, the points show the number of minutes of outgoing calls and the amount of mobile internet traffic in gigabytes, consumed by the subscriber during the use of a smartphone, for each month of 2019. For convenience, the points corresponding to minutes and gigabytes are connected by solid and dashed lines, respectively. Minutes 400 350 300 250 200 150 100 50 0 Gigabytes 4 3,5 3 2,5 2 1,5 1 0,5 0 1 2 3 4 5 6 7 8 9 10 11 12 The subscriber used the "Standard" tariff plan with a monthly subscription fee of 350 rubles for the entire year. The monthly fee of the "Standard" tariff plan includes, provided that the subscriber is in the territory of the Russian Federation: - a package including 300 minutes of outgoing calls to numbers registered in the territory of the Russian Federation; - a package including 3 gigabytes of mobile internet; - a package including 120 SMS per month; - unlimited free incoming calls. The cost of minutes, internet, and SMS exceeding the tariff package is given in the table. Outgoing calls 3 rubles/min. Mobile internet (package) 90 rubles for 0.5 GB SMS 2 rubles/pc. The subscriber did not use roaming services and sent 110 SMS in total for the year. Determine how many rubles the subscription fee was in 2018, if it is known that in 2019 the subscription fee for the "Standard" tariff decreased by 60% compared to 2018.